Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

50S ribosomal subunit protein L3; One of two assembly initiator proteins, it binds directly near the 3'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit.

Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

50S ribosomal subunit protein L4; One of the primary rRNA binding proteins, this protein initially binds near the 5'-end of the 23S rRNA. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome. Forms part of the polypeptide exit tunnel. Belongs to the universal ribosomal protein uL4 family.

Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

50S ribosomal subunit protein L19; This protein is located at the 30S-50S ribosomal subunit interface. In the 70S ribosome it has been modeled to make two contacts with the 16S rRNA of the 30S subunit forming part of bridges B6 and B8. In the 3.5 A resolved structures L14 and L19 interact and together make contact with the 16S rRNA. The protein conformation is quite different between the 50S and 70S structures, which may be necessary for translocation.

Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

30S ribosomal subunit protein S2; Required for ribosomal protein S1 to bind to the 30S subunit.

Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

30S ribosomal subunit protein S4; One of two assembly initiator proteins for the 30S subunit, it binds directly to 16S rRNA where it nucleates assembly of the body of the 30S subunit. Plays a role in mRNA unwinding by the ribosome, possibly by forming part of a processivity clamp. Also functions as a rho-dependent antiterminator of rRNA transcription, increasing the synthesis of rRNA under conditions of excess protein, allowing a more rapid return to homeostasis. Binds directly to RNA polymerase; Belongs to the universal ribosomal protein uS4 family.

Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

30S ribosomal subunit protein S6; Binds together with S18 to 16S ribosomal RNA.

Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

30S ribosomal subunit protein S10; Involved in the binding of tRNA to the ribosomes. In addition, in complex with NusB, is involved in the regulation of ribosomal RNA (rRNA) biosynthesis by transcriptional antitermination. S10 binds RNA non-specifically and increases the affinity of NusB for the boxA RNA sequence. S10 may constitute the critical antitermination component of the NusB-S10 complex. Belongs to the universal ribosomal protein uS10 family.

Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

30S ribosomal subunit protein S16; In addition to being a ribosomal protein, S16 also has a cation-dependent endonuclease activity.

Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

tRNA m(1)G37 methyltransferase, SAM-dependent; Specifically methylates guanosine-37 in various tRNAs. Belongs to the RNA methyltransferase TrmD family.

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

Ribosome maturation factor; One of at least 4 proteins (Era, RbfA, RimM and RsgA/YjeQ) that assist in the late assembly stage of the 30S ribosomal subunit. An accessory protein needed during the final step in assembly of the 30S ribosomal subunit, for assembly of the head region (the 16S rRNA 3' domain). It may act while Era is associated and before RimP in 30S subunit assembly. Interacts with S19. Essential for efficient processing of 16S rRNA; a deletion mutant accumulates 17S rRNA. Deletions also do not assemble the head-associated ribosomal proteins correctly. May be needed both be [...]

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

50S ribosomal subunit protein L3; One of two assembly initiator proteins, it binds directly near the 3'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit.

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

50S ribosomal subunit protein L4; One of the primary rRNA binding proteins, this protein initially binds near the 5'-end of the 23S rRNA. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome. Forms part of the polypeptide exit tunnel. Belongs to the universal ribosomal protein uL4 family.

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

50S ribosomal subunit protein L19; This protein is located at the 30S-50S ribosomal subunit interface. In the 70S ribosome it has been modeled to make two contacts with the 16S rRNA of the 30S subunit forming part of bridges B6 and B8. In the 3.5 A resolved structures L14 and L19 interact and together make contact with the 16S rRNA. The protein conformation is quite different between the 50S and 70S structures, which may be necessary for translocation.

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

30S ribosomal subunit protein S2; Required for ribosomal protein S1 to bind to the 30S subunit.

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

30S ribosomal subunit protein S4; One of two assembly initiator proteins for the 30S subunit, it binds directly to 16S rRNA where it nucleates assembly of the body of the 30S subunit. Plays a role in mRNA unwinding by the ribosome, possibly by forming part of a processivity clamp. Also functions as a rho-dependent antiterminator of rRNA transcription, increasing the synthesis of rRNA under conditions of excess protein, allowing a more rapid return to homeostasis. Binds directly to RNA polymerase; Belongs to the universal ribosomal protein uS4 family.

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

30S ribosomal subunit protein S6; Binds together with S18 to 16S ribosomal RNA.

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

30S ribosomal subunit protein S10; Involved in the binding of tRNA to the ribosomes. In addition, in complex with NusB, is involved in the regulation of ribosomal RNA (rRNA) biosynthesis by transcriptional antitermination. S10 binds RNA non-specifically and increases the affinity of NusB for the boxA RNA sequence. S10 may constitute the critical antitermination component of the NusB-S10 complex. Belongs to the universal ribosomal protein uS10 family.

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

30S ribosomal subunit protein S16; In addition to being a ribosomal protein, S16 also has a cation-dependent endonuclease activity.

Ribosome maturation factor for 30S subunits; Required for maturation of 30S ribosomal subunits, probably at a late stage of ribosomal protein binding, while Era is associated and after RimM.

tRNA m(1)G37 methyltransferase, SAM-dependent; Specifically methylates guanosine-37 in various tRNAs. Belongs to the RNA methyltransferase TrmD family.