Reviewed, UniProtKB/Swiss-Prot B4RXC7 (TRMD_ALTMD)

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:	MADE_01707

Organism

Alteromonas macleodii (strain DSM 17117 / Deep ecotype) [Complete proteome] [HAMAP]

Taxonomic identifier

314275 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Alteromonadales › Alteromonadaceae › Alteromonas

Protein attributes

Sequence length	253 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Specifically methylates guanosine-37 in various tRNAs By similarity.
Catalytic activity	S-adenosyl-L-methionine + tRNA = S-adenosyl-L-homocysteine + tRNA containing N(1)-methylguanine. HAMAP MF_00605
Subunit structure	Homodimer By similarity.
Subcellular location	Cytoplasm Potential.
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 – 253	253	tRNA (guanine-N(1)-)-methyltransferase HAMAP MF_00605		PRO_1000130127
Regions
	Region	137 – 142	6	S-adenosyl-L-methionine binding By similarity
Sites
	Binding site	117	1	S-adenosyl-L-methionine; via amide nitrogen By similarity

Sequences

	Sequence		Length	Mass (Da)
	B4RXC7-1 [UniParc]. Last modified September 23, 2008. Version 1. Checksum: F459637E576E34D5	FASTA	253	28,147
	10 20 30 40 50 60 MTPEKWFGVV SLFPDMFAPF TQQGVIGRAV KSGTVMVDTF NPRDFTHDRH RTVDDRPYGG 70 80 90 100 110 120 GPGMLMMVKP LTDAIQAAKK VGGENSKVIY LSPQGKPLDQ AGVQRLASID RTILICGRYE 130 140 150 160 170 180 GIDERVIESH VDEEVSIGDY VLSGGELPAM VLMDAVARLV PGVLGHKASA VEDSFTDGLL 190 200 210 220 230 240 DCPHYTRPEI LDGQKVPEVL LSGDHEKIRQ WRLMQSLGRT LQRRPDLLNH LALTEEQQRL 250 LDQYQALLRQ DDS

References

[1]

"Comparative genomics of two ecotypes of the marine planktonic copiotroph Alteromonas macleodii suggests alternative lifestyles associated with different kinds of particulate organic matter." Ivars-Martinez E., Martin-Cuadrado A.-B., D'Auria G., Mira A., Ferriera S., Johnson J., Friedman R., Rodriguez-Valera F. ISME J. 2:1194-1212(2008) [PubMed: 18670397] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP001103 Genomic DNA. Translation: ACG66011.1.
RefSeq	YP_002126005.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	6775867.
GenomeReviews	Gene locus MADE_01707 in contig CP001103_GR.
KEGG	amc:MADE_01707.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	HRSVDDT.
Family and domain databases
HAMAP	MF_00605. [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_ALTMD

Accession

Primary (citable) accession number: B4RXC7

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	September 23, 2008
Last modified:	November 3, 2009
This is version 11 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)