3M4X | pdb_00003m4x

Structure of a ribosomal methyltransferase


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AMethyltranf_PUAe3m4xA5 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: PUA domainF: Methyltranf_PUAECOD (1.6)
AMethyltr_RsmB-F_1e3m4xA1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: S-adenosyl-L-methionine-dependent methyltransferasesF: Methyltr_RsmB-F_1ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.30.70.1170 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Sun proteinCATH (4.3.0)
A3.40.50.150 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold Vaccinia Virus protein VP39CATH (4.3.0)
A2.30.130.60 Mainly Beta Roll Archaeosine Trna-guanine Transglycosylase Chain: A, domain 4CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF13636RNA-binding PUA-like domain of methyltransferase RsmF (Methyltranf_PUA)RNA-binding PUA-like domain of methyltransferase RsmF- Family
PF17126RsmF rRNA methyltransferase first C-terminal domain (RsmF_methylt_CI)RsmF rRNA methyltransferase first C-terminal domainThis is the first of two distinct C-terminal domains of the 16S rRNA methyltransferase RsmF. It is necessary for stabilising the catalytic core, Pfam:PF01189. Domain
PF17125N-terminal domain of 16S rRNA methyltransferase RsmF (Methyltr_RsmF_N)N-terminal domain of 16S rRNA methyltransferase RsmFThis is the N-terminal domain of the RsmF methyl transferase. RsmF is a multi-site-specific methyltransferase that is responsible for the synthesis of three modifications on cytidines in 16S ribosomal RNA. The N-terminus is critical for stabilising t ...This is the N-terminal domain of the RsmF methyl transferase. RsmF is a multi-site-specific methyltransferase that is responsible for the synthesis of three modifications on cytidines in 16S ribosomal RNA. The N-terminus is critical for stabilising the catalytic core of the enzyme [1]. It has a ferredoxin-like fold.
Domain
PF0118916S rRNA methyltransferase RsmB/F (Methyltr_RsmB-F)16S rRNA methyltransferase RsmB/FThis is the catalytic core of this SAM-dependent 16S ribosomal methyltransferase RsmB/F enzyme [1,2]. There is a catalytic cysteine residue at 180 in UniProtKB:Q5SII2, with another highly conserved cysteine at residue 230. It methylates the C(5) posi ...This is the catalytic core of this SAM-dependent 16S ribosomal methyltransferase RsmB/F enzyme [1,2]. There is a catalytic cysteine residue at 180 in UniProtKB:Q5SII2, with another highly conserved cysteine at residue 230. It methylates the C(5) position of cytosine 2870 (m5C2870) in 25S rRNA [1,2].
Domain