P57192 (RSMI_BUCAI) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Ribosomal RNA small subunit methyltransferase I
EC=2.1.1.198

Alternative name(s):
16S rRNA 2'-O-ribose C1402 methyltransferase
rRNA (cytidine-2'-O-)-methyltransferase RsmI

Gene names

Name:	rsmI
Ordered Locus Names:	BU091

Organism

Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon pisum symbiotic bacterium)

Taxonomic identifier

107806 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Buchnera

Protein attributes

Sequence length	282 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Catalyzes the 2'-O-methylation of the ribose of cytidine 1402 (C1402) in 16S rRNA By similarity. HAMAP MF_01877
Catalytic activity	S-adenosyl-L-methionine + cytosine(1402) in 16S rRNA = S-adenosyl-L-homocysteine + 2'-O-methylcytosine(1402) in 16S rRNA. HAMAP MF_01877
Subcellular location	Cytoplasm Potential HAMAP MF_01877.
Sequence similarities	Belongs to the methyltransferase superfamily. RsmI family.

Ontologies

Keywords
Biological process	rRNA processing
Cellular component	Cytoplasm
Ligand	S-adenosyl-L-methionine
Molecular function	Methyltransferase Transferase
Technical term	Complete proteome Reference proteome
Gene Ontology (GO)
Biological process	rRNA processing Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	methyltransferase activity Inferred from electronic annotation. Source: UniProtKB-KW
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 282	282	Ribosomal RNA small subunit methyltransferase I HAMAP MF_01877		PRO_0000211935

Sequences

	Sequence		Length	Mass (Da)
	P57192 [UniParc]. Last modified March 1, 2001. Version 1. Checksum: E46AE5C93C97BB48	FASTA	282	32,589
	10 20 30 40 50 60 MNEFYIGILY IVPTPIGNLS DITYRALEVL KDVDIIAAEN IRHTNILLQH FNIKNNLILM 70 80 90 100 110 120 NKDNEKKQSH NLIQELKKGK KIALVSNAGT PIINDPGCIL IKQCHIFDIK VIPLPGACAA 130 140 150 160 170 180 ITALSASGII NNRFCYEGFL PSRKKSRCDL LHSLKEETRT IIFYESKHRI LESIKDIIEQ 190 200 210 220 230 240 IDKNRHIVIA REMTKKWESI YGAKASLILE WLKENKYRYK GEMVIIIDGF KKLKNYTLSK 250 260 270 280 KILDTFSILR KFFSLKTSVL ITAQIHDINK NKLYQYVIKK EE

References

[1]	"Genome sequence of the endocellular bacterial symbiont of aphids Buchnera sp. APS." Shigenobu S., Watanabe H., Hattori M., Sakaki Y., Ishikawa H. Nature 407:81-86(2000) [PubMed: 10993077] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: APS.

Cross-references

Sequence databases
EMBL GenBank DDBJ	BA000003 Genomic DNA. Translation: BAB12810.1.
RefSeq	NP_239924.1. NC_002528.1.
3D structure databases
ProteinModelPortal	P57192.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBBUCT00000003117; EBBUCP00000002893; EBBUCG00000003117.
GeneID	1109494.
GenomeReviews	Gene locus BU091 in contig BA000003_GR.
KEGG	buc:BU091.
PATRIC	21243690. VBIBucAph127364_0098.
Phylogenomic databases
GeneTree	EBGT00050000008212.
HOGENOM	HBG529058.
OMA	IASDRFC.
PhylomeDB	P57192.
ProtClustDB	CLSK315242.
Enzyme and pathway databases
BioCyc	BSP107806:BU091-MONOMER.
Family and domain databases
HAMAP	MF_01877. 16SrRNA_methyltr_I. [Tree]
InterPro	IPR000878. 4pyrrol_Mease. IPR014777. 4pyrrole_Mease_sub1. IPR008189. rRNA_ssu_MeTfrase_I. IPR018063. SAM_MeTrfase_RsmI_CS. [Graphical view]
Gene3D	G3DSA:3.40.1010.10. 4pyrrole_Mease_sub1. 1 hit.
KO	K07056.
PANTHER	PTHR21091:SF18. PTHR21091:SF18. 1 hit.
Pfam	PF00590. TP_methylase. 1 hit. [Graphical view]
PIRSF	PIRSF005917. MTase_YraL. 1 hit.
SUPFAM	SSF53790. Cor/por_Metransf. 1 hit.
TIGRFAMs	TIGR00096. TIGR00096. 1 hit.
PROSITE	PS01296. RSMI. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

RSMI_BUCAI

Accession

Primary (citable) accession number: P57192

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 2, 2001
Last sequence update:	March 1, 2001
Last modified:	January 25, 2012
This is version 57 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program