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nep-21 nep-21 nep-22 nep-22 cpd-2 cpd-2 T27A8.3 T27A8.3 ced-9 ced-9 nep-20 nep-20 imp-2 imp-2 qua-1 qua-1 T28H10.3 T28H10.3 aph-1 aph-1 hog-1 hog-1 map-2 map-2 nep-23 nep-23 hpo-21 hpo-21 map-1 map-1 lonp-2 lonp-2 atg-4.1 atg-4.1 spe-39 spe-39 nep-2 nep-2 R13H4.6 R13H4.6 grd-1 grd-1 R05D11.5 R05D11.5 ymel-1 ymel-1 tra-3 tra-3 mppb-1 mppb-1 aph-2 aph-2 wrt-7 wrt-7 nep-25 nep-25 wrt-1 wrt-1 nep-1 nep-1 wrt-6 wrt-6 spe-4 spe-4 wrt-4 wrt-4 K12H4.4 K12H4.4 bli-4 bli-4 nep-18 nep-18 grd-11 grd-11 myrf-1 myrf-1 cpd-1 cpd-1 mig-17 mig-17 nep-17 nep-17 F53B6.5 F53B6.5 fce-2 fce-2 F46F5.5 F46F5.5 grd-2 grd-2 nep-16 nep-16 F41C6.4 F41C6.4 nep-15 nep-15 nep-13 nep-13 sel-12 sel-12 aex-5 aex-5 vps-41 vps-41 myrf-2 myrf-2 F19B2.7 F19B2.7 nep-11 nep-11 nep-10 nep-10 nep-9 nep-9 nep-8 nep-8 nep-6 nep-6 nep-5 nep-5 kpc-1 kpc-1 egl-21 egl-21 nep-26 nep-26 mppa-1 mppa-1 ppgn-1 ppgn-1 Y47C4A.1 Y47C4A.1 spg-7 spg-7 sep-1 sep-1 csp-1 csp-1 rom-5 rom-5 Y54E10BR.5 Y54E10BR.5 immp-2 immp-2 Y67H2A.7 Y67H2A.7 psd-1 psd-1 nep-4 nep-4 egl-3 egl-3 nep-3 nep-3 B0495.9 B0495.9 fce-1 fce-1 hop-1 hop-1 immp-1 immp-1 wrt-8 wrt-8 ced-3 ced-3 ced-4 ced-4 C34B2.10 C34B2.10 imp-3 imp-3
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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query proteins and first shell of interactors
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second shell of interactors
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Edges represent protein-protein associations
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
protein homology
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nep-21Neprilysin-21; Probable cell surface protease. (856 aa)
nep-22NEPrilysin metallopeptidase family. (798 aa)
cpd-2Peptidase_M14 domain-containing protein. (492 aa)
T27A8.3Putative uncharacterized protein T27A8.3; Belongs to the peptidase M24 family. (182 aa)
ced-9Apoptosis regulator ced-9; Plays a major role in programmed cell death (PCD, apoptosis). egl-1 binds to and directly inhibits the activity of ced-9, releasing the cell death activator ced-4 from a ced-9/ced-4 containing protein complex and allowing ced-4 to activate the cell-killing caspase ced-3. During larval development, required for the elimination of transient presynaptic components downstream of egl-1 and upstream of ced-4 and ced-3 apoptotic pathway. (280 aa)
nep-20NEPrilysin metallopeptidase family. (834 aa)
imp-2Intramembrane protease 2; Acts as intramembrane protease (Probable). In larvae, required for the complete shedding of the cuticle during molting, possibly by regulating cholesterol uptake via lrp-1. Involved in embryonic and larval development ; Belongs to the peptidase A22B family. (468 aa)
qua-1Protein qua-1; Required for cuticle shedding and normal alae morphology and localization, and subsequently larval development. (1169 aa)
T28H10.3Uncharacterized protein. (462 aa)
aph-1Gamma-secretase subunit aph-1; Essential subunit of the gamma-secretase complex, an endoprotease complex that catalyzes the intramembrane cleavage of integral proteins such as Notch receptors (lin-12 or glp-1). It may represent a stabilizing cofactor for the presenilin homodimer that promotes the formation of a stable complex. Required for the localization of aph-2. (308 aa)
hog-1HOG only (Hedgehog Hog domain alone). (245 aa)
map-2Methionine aminopeptidase 2; Cotranslationally removes the N-terminal methionine from nascent proteins. The N-terminal methionine is often cleaved when the second residue in the primary sequence is small and uncharged (Met-Ala-, Cys, Gly, Pro, Ser, Thr, or Val). Required for germ cell proliferation and/or differentiation. (468 aa)
nep-23NEPrilysin metallopeptidase family. (714 aa)
hpo-21Probable signal peptidase complex subunit 2; Component of the microsomal signal peptidase complex which removes signal peptides from nascent proteins as they are translocated into the lumen of the endoplasmic reticulum. (180 aa)
map-1Methionine aminopeptidase; Cotranslationally removes the N-terminal methionine from nascent proteins. The N-terminal methionine is often cleaved when the second residue in the primary sequence is small and uncharged (Met- Ala-, Cys, Gly, Pro, Ser, Thr, or Val). (371 aa)
lonp-2Lon protease homolog 2, peroxisomal; ATP-dependent serine protease that mediates the selective degradation of misfolded and unassembled polypeptides in the peroxisomal matrix. Necessary for type 2 peroxisome targeting signal (PTS2)-containing protein processing and facilitates peroxisome matrix protein import. (773 aa)
atg-4.1Cysteine protease atg-4.1; Cysteine protease required for autophagy. Cleaves the C-terminal amino acid of ATG8 family proteins lgg-1, to reveal a C-terminal glycine (Probable). Exposure of the glycine at the C-terminus is essential for ATG8 proteins conjugation to phosphatidylethanolamine (PE) and insertion to membranes, which is necessary for autophagy (Probable). Its cleavage activity is functionally redundant to atg-4.2, but it cleaves lgg-1 precursors more efficiently than atg-4.2 (Probable). Acts redundantly with atg-4.2 to promote the lgg-1 delipidation to release the protein fro [...] (481 aa)
spe-39Spermatogenesis-defective protein 39; Proposed to be involved in endosomal maturation implicating in part vps-33.2. May play a role in epithelial polarization through stabilization of apical membrane protein content. May play a role in transcriptional regulation (By similarity). Plays a role in lysosomal trafficking, probably via association with the core HOPS complex in a discrete population of endosomes. Essential for vesicular trafficking during spermatogenesis; required during spermiogenesis or sperm activation for the morphogenesis of specialized Golgi-derived fibrous body-membran [...] (522 aa)
nep-2Neprilysin-2; Required for olfactory plasticity, which is the change from positive chemotaxis to dispersal after prolonged exposure to an odorant. Thought to antagonise snet-1 by degrading excess snet-1 peptides and thus enabling olfactory plasticity. (736 aa)
R13H4.6Lon proteolytic domain-containing protein. (265 aa)
grd-1GRounDhog (Hedgehog-like family). (1160 aa)
R05D11.5Uncharacterized protein. (169 aa)
ymel-1ATP-dependent zinc metalloprotease YME1 homolog; ATP-dependent metalloprotease that catalyzes the degradation of folded and unfolded proteins with a suitable degron sequence in the mitochondrial intermembrane region (By similarity). Plays an important role in regulating mitochondrial morphology and function (By similarity); In the C-terminal section; belongs to the peptidase M41 family. (723 aa)
tra-3Calpain-5; Required for the correct female sexual development of the soma and germline in hermaphrodite animals, while being fully dispensable in males. Has calcium-dependent proteolytic activity and is involved in the cleavage of tra-2, for which it acts as a potentiator. Capable of calcium-dependent autolysis. Part of the necrosis cell death pathway. Required for necrosis of intestinal cells induced by B.thuringiensis endotoxin Cry6Aa ; Belongs to the peptidase C2 family. (648 aa)
mppb-1Mitochondrial-processing peptidase subunit beta; Catalytic subunit of the essential mitochondrial processing protease (MPP), which cleaves the mitochondrial sequence off newly imported precursors proteins (Probable). Preferentially, cleaves after an arginine at position P2 (Probable). (458 aa)
aph-2Nicastrin; Essential subunit of the gamma-secretase complex, an endoprotease complex that catalyzes the intramembrane cleavage of integral membrane proteins such as Notch (glp-1 or lin-12). It may represents a stabilizing cofactor required for the assembly of the gamma-secretase complex. (723 aa)
wrt-7WaRThog (Hedgehog-like family). (481 aa)
nep-25Peptidase_M13 domain-containing protein. (515 aa)
wrt-1Warthog protein 1 C-product; Intercellular signal essential for a variety of patterning events during development. (484 aa)
nep-1Neprilysin-1; Probable cell surface protease. Required to control the neuronal innervation of pharyngeal pumping. Belongs to the peptidase M13 family. (754 aa)
wrt-6Warthog protein 6 C-product; Intercellular signal essential for a variety of patterning events during development; Belongs to the hedgehog family. (593 aa)
spe-4Presenilin spe-4; Potential catalytic subunit of the gamma-secretase complex during spermatogenesis, an endoprotease complex that catalyzes the intramembrane cleavage of integral membrane proteins such as Notch receptors (lin-12 or glp-1) (Probable). Involved in spermatid formation during meiosis II. May be required for proper localization of macromolecules that are subject to asymmetric partitioning during spermatogenesis. (465 aa)
wrt-4Warthog protein 4 C-product; Intercellular signal essential for a variety of patterning events during development. (557 aa)
K12H4.4Probable signal peptidase complex subunit 3; Component of the microsomal signal peptidase complex which removes signal peptides and other N-terminal peptides from nascent proteins as they are translocated into the lumen of the endoplasmic reticulum. (180 aa)
bli-4Endoprotease bli-4; Serine endoprotease which cleaves proproteins at paired basic amino acids (Probable). Involved in cuticle biosynthesis probably by cleaving pro-collagen into its mature form. Acts in ASEL sensory neurons to regulate high salt chemotaxis responses probably by cleaving insulin-like protein ins-6 into its mature and active form. Essential for embryonic and larval development. isoform a, isoform e, isoform f, isoform g and isoform h are involved in cuticle biosynthesis but are dispensable for larval development. (942 aa)
nep-18NEPrilysin metallopeptidase family. (701 aa)
grd-11GRounDhog (Hedgehog-like family). (977 aa)
myrf-1Myelin regulatory factor homolog 1, C-terminal; [Myelin regulatory factor homolog 1]: Constitutes a precursor of the transcription factor. Mediates the autocatalytic cleavage that releases the Myelin regulatory factor homolog 1, N-terminal component that specifically activates transcription of genes involved in synaptic rewiring during nervous system maturation. [Myelin regulatory factor homolog 1, N-terminal]: Transcription factor that specifically activates expression of genes involved in synaptic rewiring during nervous system maturation. Specifically required for dorsal D (DD) GABA [...] (931 aa)
cpd-1CarboxyPeptidase D family. (1014 aa)
mig-17Metalloprotease mig-17; Metalloprotease. Acts in the basement membrane to control directional migration of distal tip cells (DTCs) along the body wall basement membranes, a key step that promotes gonad morphogenesis. Regulates DTC migration probably by recruiting fibulin fbl-1, type IV collagen let-2 and nidogen nid-1 to the gonad basement membrane thereby promoting the remodeling of the basement membrane. During larval development and probably upstream of basement membrane proteins fbl-1, let-2 and nid-1, regulates pharynx length, probably by regulating pharyngeal cell length. Does no [...] (509 aa)
nep-17NEPrilysin metallopeptidase family. (1589 aa)
F53B6.5Uncharacterized protein. (182 aa)
fce-2CAAX prenyl protease 2 homolog; Proteolytically removes the C-terminal three residues of farnesylated and geranylated proteins; Belongs to the peptidase U48 family. (266 aa)
F46F5.5Lon proteolytic domain-containing protein. (322 aa)
grd-2GRounDhog (Hedgehog-like family). (946 aa)
nep-16Peptidase_M13_N domain-containing protein. (868 aa)
F41C6.4Uncharacterized protein. (393 aa)
nep-15Peptidase_M13 domain-containing protein. (267 aa)
nep-13NEPrilysin metallopeptidase family. (732 aa)
sel-12Presenilin sel-12; Probable catalytic subunit of the gamma-secretase complex, an endoprotease complex that catalyzes the intramembrane cleavage of integral membrane proteins such as Notch receptors (lin-12 or glp-1). Provides the major presenilin function compared to hop-1 and spe-4. Required cell-autonomously for correct neurite connectivity of the AIY cholinergic interneurons and their correct functioning in thermotaxis. Required for mesodermal patterning of muscle function. Promotes basement membrane gap formation during tissue remodeling ; Belongs to the peptidase A22A family. (444 aa)
aex-5Endoprotease aex-5; Probable serine endoprotease which cleaves preproteins at paired basic amino acids. May process FMRFamide-like (flp) and neuropeptide-like protein (nlp) neuropeptides. In muscles, involved in neuronal retrograde signaling by regulating presynaptic activity and localization of synaptic vesicle fusion protein unc-13 at the neuromuscular junction (NMJ). Acts in the intestine to regulate anterior body muscle contractions (aBOC) and the expulsion steps during the defecation motor program (DMP). Probably by regulating DMP, required for fatty acid uptake by intestinal cell [...] (537 aa)
vps-41Vacuolar protein sorting-associated protein 41 homolog; Plays a role in vesicle-mediated protein trafficking to lysosomal compartments including the endocytic membrane transport pathways. Believed to act in part as a core component of the putative HOPS endosomal tethering complex which is proposed to be involved in the rab-5-to-rab-7 endosome conversion probably implicating sand-1, and via binding SNAREs and SNARE complexes to mediate tethering and docking events during SNARE-mediated membrane fusion. The HOPS complex is proposed to be recruited to rab-7 on the late endosomal membrane [...] (901 aa)
myrf-2Myelin regulatory factor homolog 2, C-terminal; [Myelin regulatory factor homolog 2]: Constitutes a precursor of the transcription factor. Mediates the autocatalytic cleavage that releases the Myelin regulatory factor homolog 2, N-terminal component that specifically activates transcription of genes involved in synaptic rewiring during nervous system maturation. [Myelin regulatory factor homolog 2, N-terminal]: Transcription factor that specifically activates expression of genes involved in synaptic rewiring during nervous system maturation. Specifically required for dorsal D (DD) GABA [...] (1009 aa)
F19B2.7Lon proteolytic domain-containing protein. (259 aa)
nep-11Neprilysin-11; Probable cell surface protease; Belongs to the peptidase M13 family. (848 aa)
nep-10NEPrilysin metallopeptidase family. (711 aa)
nep-9NEPrilysin metallopeptidase family. (700 aa)
nep-8Peptidase_M13 domain-containing protein. (686 aa)
nep-6NEPrilysin metallopeptidase family. (726 aa)
nep-5NEPrilysin metallopeptidase family. (655 aa)
kpc-1Furin-like protease kpc-1; Furin-like protease which cleaves proproteins at the RX(K/R)R consensus motif. During neuronal development, regulates the formation and extension of dendrite branches and cellular positioning of various type of neurons. Promotes the formation, extension and self-avoidance of dendritic branches of PVD and FLP mechanosensory neurons. In PVD neurons, regulates plasma membrane levels of branching receptor dma-1 by targeting it to late endosomes and thus promotes normal dendrite branching and dendrite self-avoidance. Also controls dendrite extension in AIY and D-t [...] (692 aa)
egl-21Carboxypeptidase E; During FMRFamide-like peptide (FaRPs or FLP) and neuropeptide-like protein (NLP) precursor processing, catalyzes the removal of Arg or Lys residues from the C-terminus following the initial endoprotease cleavage. By processing neuropeptides, modulates basal acetylcholine release at the ventral cord neuromuscular junctions. Involved in egg-laying, defecation and locomotion. By processing FLP neuropeptides, regulates the turning step of male mating behavior. Involved in reducing pharyngeal pumping in response to high CO(2) levels. (472 aa)
nep-26NEPrilysin metallopeptidase family. (807 aa)
mppa-1Mitochondrial-processing peptidase subunit alpha; Substrate recognition and binding subunit of the essential mitochondrial processing protease (MPP), which cleaves the mitochondrial sequence off newly imported precursors proteins. (514 aa)
ppgn-1AAA domain-containing protein. (747 aa)
Y47C4A.1Uncharacterized protein. (408 aa)
spg-7AFG3-like protein spg-7; Acts as a component of the m-AAA protease complex which is an ATP-dependent metalloprotease mediating degradation of non-assembled mitochondrial inner membrane proteins (By similarity). The complex is necessary for the assembly of mitochondrial respiratory chain and ATPase complexes (By similarity). Functions both in post-translational assembly and in the turnover of mistranslated or misfolded polypeptides. Plays a role in male tail tip morphogenesis. In the C-terminal section; belongs to the peptidase M41 family. (782 aa)
sep-1Separin homolog sep-1; Cysteine protease, which plays a central role in homologous chromosome separation during meiosis I and in sister chromatid separation during embryonic mitosis. Promotes chromosome/sister chromatid segregation by cleaving the scc-1 (mitosis) and rec-8 (meiosis) subunits of the cohesin complex at the onset of anaphase (Probable). May cleave histone H3-like protein cpar-1 during meiosis I metaphase- anaphase transition. Promotes cortical granule exocytosis after oocyte fertilization during the first meiotic anaphase. Essential for embryonic cytokinesis by regulating [...] (1262 aa)
csp-1Caspase A subunit p14; Cysteine protease which, in vitro, cleaves itself and caspase ced-3 into their mature active forms. Also cleaves, in vitro, inactive caspase csp-2 isoform b. Required maternally to induce apoptosis in a subset of cells fated to die during embryogenesis, mostly independently of the ced-9, ced-4 and ced-3 canonical apoptosis pathway. Involved in the degeneration of dopaminergic CEP neurons in response to high Mn(2+) levels. (536 aa)
rom-5Rhomboid domain-containing protein. (325 aa)
Y54E10BR.5Signal peptidase complex catalytic subunit SEC11. (183 aa)
immp-2Inner Mitochondrial Membrane Protease. (152 aa)
Y67H2A.7Peptidase_M3 domain-containing protein. (692 aa)
psd-1Phosphatidylserine decarboxylase proenzyme, mitochondrial; Catalyzes the formation of phosphatidylethanolamine (PtdEtn) from phosphatidylserine (PtdSer). Plays a central role in phospholipid metabolism and in the interorganelle trafficking of phosphatidylserine. (377 aa)
nep-4Peptidase_M13 domain-containing protein. (437 aa)
egl-3Neuroendocrine convertase 2; Serine endoprotease which cleaves preproteins at paired basic amino acids. Processes FMRFamide-like (flp) and neuropeptide-like protein (nlp) neuropeptides. Probably by processing flp-1 and flp-18, modulates the neuronal excitation-inhibition balance and thus the level of activity of the locomotor circuit. Regulates sensitivity to mechanosensory stimuli. By processing neuropeptides, modulates basal acetylcholine release at the ventral cord neuromuscular junctions. Probably by processing flp neuropeptides, regulates the turning step of male mating behavior. [...] (652 aa)
nep-3NEPrilysin metallopeptidase family. (634 aa)
B0495.9Uncharacterized protein B0495.9. (267 aa)
fce-1CAAX prenyl protease 1 homolog; Proteolytically removes the C-terminal three residues of farnesylated proteins; Belongs to the peptidase M48A family. (442 aa)
hop-1Presenilin hop-1; Probable catalytic subunit of the gamma-secretase complex, an endoprotease complex that catalyzes the intramembrane cleavage of integral membrane proteins such as Notch receptors (lin-12 or glp-1). Probably works redundantly of lin-12, which provides more presenilin function. (358 aa)
immp-1Peptidase_S24 domain-containing protein. (132 aa)
wrt-8Warthog protein 8 C-product; Intercellular signal essential for a variety of patterning events during development. (550 aa)
ced-3Cell death protein 3 subunit p13; Acts as a cysteine protease in controlling programmed cell death (apoptosis) by proteolytically activating or inactivating a wide range of substrates. Component of the egl-1, ced-9, ced-4 and ced-3 apoptotic signaling cascade required for the initiation of programmed cell death in cells fated to die during embryonic and postembryonic development. During oogenesis, required for germline apoptosis downstream of ced-9 and ced-4 but independently of egl-1. By cleaving and activating ced-8, promotes phosphatidylserine exposure on the surface of apoptotic ce [...] (503 aa)
ced-4Cell death protein 4; Component of the egl-1, ced-9, ced-4 and ced-3 apoptotic signaling cascade required for the initiation of programmed cell death in cells fated to die during embryonic and postembryonic development. During oogenesis, required for germline apoptosis downstream of ced-9 and upstream of ced-3 but independently of egl-1. May regulate germline apoptosis in response to DNA damage, probably downstream of let-60/ras and mpk-1 pathway. Regulates CEP neuron apoptosis in response to high Al(3+) levels. During male tail morphogenesis, promotes apoptosis of the tail-spike cell [...] (571 aa)
C34B2.10Probable signal peptidase complex subunit 1; Microsomal signal peptidase is a membrane-bound endoproteinase that removes signal peptides from nascent proteins as they are translocated into the lumen of the endoplasmic reticulum. (105 aa)
imp-3IntraMembrane Protease (IMPAS) family. (530 aa)
Your Current Organism:
Caenorhabditis elegans
NCBI taxonomy Id: 6239
Other names: C. elegans, Rhabditis elegans, roundworm
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