acn protein (Mycobacterium tuberculosis H37Rv) - STRING interaction network
"acn" - Aconitate hydratase A in Mycobacterium tuberculosis H37Rv
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Known Interactions
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experimentally determined
Predicted Interactions
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gene fusions
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Gene Fusion
acnAconitate hydratase A; Involved in the catabolism of short chain fatty acids (SCFA) via the tricarboxylic acid (TCA)(acetyl degradation route) and probably via the 2-methylcitrate cycle I (propionate degradation route). Catalyzes the reversible isomerization of citrate to isocitrate via cis-aconitate. The apo form of AcnA functions as a RNA-binding regulatory protein which binds to selected IRE-like sequences present within the UTRs (untranslated regions) of 3’ trxC and 5’ IdeR mRNA. Could catalyze the hydration of 2-methyl-cis-aconitate to yield (2R,3S)- 2-methylisocitrate (By similar [...] (943 aa)    
Predicted Functional Partners:
Putative citrate synthase 2; Rv0889c, (MTCY31.17c), len- 373 aa. Probable citA (alternate gene name- gltA), citrate synthase 2, highly similar to others e.g. CAB95899.1|AL359988 putative citrate synthase from Streptomyces coelicolor (387 aa); P39119|CISY_BACSU citrate synthase II from Bacillus subtilis (366 aa), FASTA scores- opt- 586, E()- 5.8e-30,(33.8% identity in 367 aa overlap); etc. Also similar to Rv0896|MTCY31.24 from Mycobacterium tuberculosis (29.2% identity in 274 aa overlap) and Rv1131. Contains PS00480 Citrate synthase signature. Belongs to the citrate synthase family (373 aa)
2-methylcitrate synthase; Involved in the catabolism of short chain fatty acids (SCFA) via the tricarboxylic acid (TCA)(acetyl degradation route) and via the 2-methylcitrate cycle I (propionate degradation route). Catalyzes the Claisen condensation of propionyl-CoA and oxaloacetate (OAA) to yield (2S,3S)-2-methylcitrate (2-MC) and CoA. Also catalyzes the condensation of oxaloacetate with acetyl- CoA (393 aa)
Citrate synthase 1; Rv0896, (MTCY31.24), len- 431 aa. Probable gltA2,citrate synthase 1, highly similar to O33066|NP_302405.1|NC_002677 citrate synthase 1 from Mycobacterium leprae (431 aa), FASTA scores- E()- 0, (91.0 identity in 431 aa overlap); and AAF04133.1|AF191033_1|AF191033 citrate synthase from Mycobacterium smegmatis (441 aa). Also highly similar to others e.g. AAF14286.1|AF181118_1|AF181118 citrate synthase from Streptomyces coelicolor (429 aa); P42457|CISY_CORGL citrate synthase from Corynebacterium glutamicum (437 aa),FASTA scores- opt- 1847, E()- 0, (63.0% identity in 433 [...] (431 aa)
Isocitrate dehydrogenase [NADP]; Rv3339c, (MTV016.39c), len- 409 aa. Probable icd1,isocitrate dehydrogenase NADP-dependent, highly similar to many e.g. Q9A5C8|CC2522 from Caulobacter crescentus (403 aa), FASTA scores- opt- 1972, E()- 4.6e-115, (72.45% identity in 403 aa overlap); AAF73472|ICD from Rhizobium meliloti (404 aa), FASTA scores- opt- 1968, E()- 8.1e-115,(73.2% identity in 403 aa overlap); P50215|IDH_SPHYA from Sphingomonas yanoikuyae (406 aa), FASTA scores- opt- 1964,E()- 1.4e-114, (71.45% identity in 403 aa overlap); etc. Contains PS00470 Isocitrate and isopropylmalate dehy [...] (409 aa)
Probable transcriptional regulatory protein; Rv1474c, (MTV007.21c), len- 187 aa. Probable transcription regulator, equivalent to AF0021|AF002133_1 transcriptional regulator from Mycobacterium avium strain GIR10 (82 aa), FASTA scores- opt- 490, E()- 6.7e-26, (92.5% identity in 80 aa overlap). Also similar to Q59431|UIDR_ECOLI UID operon repressor (GUS operon) from Escherichia coli (196 aa), FASTA scores- opt- 192, E()- 5.8e-06, (28.5% identity in 172 aa overlap). Belongs to the TetR/AcrR family of transcriptional regulators. Helix turn helix motif predicted at aa 33-54 (+3.40 SD) (187 aa)
Multifunctional 2-oxoglutarate metabolism enzyme; Shows three enzymatic activities that share a first common step, the attack of thiamine-PP on 2-oxoglutarate (alpha- ketoglutarate, KG), leading to the formation of an enamine- thiamine-PP intermediate upon decarboxylation. Thus, displays KGD activity, catalyzing the decarboxylation from five-carbon 2- oxoglutarate to four-carbon succinate semialdehyde (SSA). Also catalyzes C-C bond formation between the activated aldehyde formed after decarboxylation of alpha-ketoglutarate and the carbonyl of glyoxylate (GLX), to yield 2-hydroxy-3-oxoa [...] (1231 aa)
Isocitrate dehydrogenase; Rv0066c, (MTV030.09c), len- 745 aa. Probable icd2,isocitrate dehydrogenase NADP-dependent. Belongs to the monomeric-type family of IDH. Note that in H37Rv, Rv0066c is named icd2 and Rv3339c is icd1 while in CDC1551 and Erdman strains, Rv0066c is icd1 and Rv3339c is icd2 (745 aa)
Isocitrate lyase; Involved in the persistence and virulence of M.tuberculosis. Catalyzes the reversible formation of succinate and glyoxylate from isocitrate, a key step of the glyoxylate cycle, which operates as an anaplerotic route for replenishing the tricarboxylic acid cycle during growth on fatty acid substrates. It could also catalyze the formation of pyruvate and succinate from 2-methylisocitrate, a key step in the methylcitrate cycle (propionate degradation route) (By similarity) (428 aa)
Putative isocitrate lyase subunit B; Together with AceAa, they could catalyze the formation of succinate and glyoxylate from isocitrate (398 aa)
Putative isocitrate lyase subunit A; Together with AceAb, they could catalyze the formation of succinate and glyoxylate from isocitrate (367 aa)
Your Current Organism:
Mycobacterium tuberculosis H37Rv
NCBI taxonomy Id: 83332
Other names: M. tuberculosis H37Rv, Mycobacterium sp. H37Rv, Mycobacterium tuberculosis H37Rv, Mycobacterium tuberculosis str. H37Rv, Mycobacterium tuberculosis strain H37Rv
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