Reviewed, UniProtKB/Swiss-Prot Q3MC52 (TRMD_ANAVT)

Names and origin

Protein names

Recommended name:
    tRNA (guanine-N(1)-)-methyltransferase
    EC=2.1.1.31
Alternative name(s):
    M1G-methyltransferase
    tRNA [GM37] methyltransferase

Gene names

Name:	trmD
Ordered Locus Names:	Ava_1812

Organism

Anabaena variabilis (strain ATCC 29413 / PCC 7937) [Complete proteome] [HAMAP]

Taxonomic identifier

240292 [NCBI]

Taxonomic lineage

Bacteria › Cyanobacteria › Nostocales › Nostocaceae › Anabaena

Protein attributes

Sequence length	244 AA.
Sequence status	Complete.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Specifically methylates guanosine-37 in various tRNAs By similarity. HAMAP MF_00605
Catalytic activity	S-adenosyl-L-methionine + tRNA = S-adenosyl-L-homocysteine + tRNA containing N(1)-methylguanine. HAMAP MF_00605
Subunit structure	Homodimer By similarity. HAMAP MF_00605
Subcellular location	Cytoplasm Potential HAMAP MF_00605.
Sequence similarities	Belongs to the RNA methyltransferase trmD family.

Ontologies

Keywords
Biological process	tRNA processing
Cellular component	Cytoplasm
Ligand	S-adenosyl-L-methionine
Molecular function	Methyltransferase Transferase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	tRNA modification Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	RNA binding Inferred from electronic annotation. Source: InterPro tRNA (guanine-N1-)-methyltransferase activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 244	244	tRNA (guanine-N(1)-)-methyltransferase HAMAP MF_00605		PRO_0000257387
Regions
	Region	131 – 136	6	S-adenosyl-L-methionine binding By similarity
Sites
	Binding site	112	1	S-adenosyl-L-methionine; via amide nitrogen By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q3MC52-1 [UniParc]. Last modified October 25, 2005. Version 1. Checksum: ADCEBEAFF4794C29	FASTA	244	27,417
	10 20 30 40 50 60 MRFDIVTLFP DCFTSVLSSG LLGKALAKQI AQVNLVNPRD FTTDKHRKVD DEPYGGGVGM 70 80 90 100 110 120 LMKPEPIFSA VESLPILERR EVILMSPQGQ TIDQPLLREL VSNYEQLVVI CGHYEGVDDR 130 140 150 160 170 180 VLHLVTREVS LGDFILTGGE IPAMALINGV VRLLPGTVAK TESLTAESFE EGLLDYPQYT 190 200 210 220 230 240 RPANFRGWKV PDVLLSGNHA AISQWRYEQQ IKRTSDRRPD LLEKWQQEKK PGSREQGSRE QGEK

References

[1]

"Complete sequence of Anabaena variabilis ATCC 29413." Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T., Hammon N., Israni S., Pitluck S., Saunders E.H., Schmutz J., Larimer F., Land M., Kyrpides N., Mavrommatis K., Richardson P. Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000117 Genomic DNA. Translation: ABA21434.1.
RefSeq	YP_322329.1.
3D structure databases
SMR	Q3MC52. Positions 1-226.
ModBase	Search...
Protein-protein interaction databases
STRING	Q3MC52.
Genome annotation databases
GeneID	3681979.
GenomeReviews	Gene locus Ava_1812 in contig CP000117_GR.
KEGG	ava:Ava_1812.
NMPDR	fig|240292.3.peg.2892.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0336.
HOGENOM	HBG285805.
OMA	HRSVDDT.
PhylomeDB	Q3MC52.
Enzyme and pathway databases
BioCyc	AVAR240292:AVA_1812-MONOMER.
Family and domain databases
HAMAP	MF_00605. TrmD. [Tree]
InterPro	IPR016009. tRNA_m1G_MeTrfase. IPR002649. tRNA_m1G_MeTrfase_bac. [Graphical view]
Pfam	PF01746. tRNA_m1G_MT. 1 hit. [Graphical view]
PIRSF	PIRSF000386. tRNA_mtase. 1 hit.
TIGRFAMs	TIGR00088. trmD. 1 hit.
ProtoNet	Search...

Entry information

Entry name

TRMD_ANAVT

Accession

Primary (citable) accession number: Q3MC52

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 31, 2006
Last sequence update:	October 25, 2005
Last modified:	February 9, 2010
This is version 34 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)