Reviewed, UniProtKB/Swiss-Prot Q4UST1 (TPMT_XANC8)

Names and origin

Protein names

Recommended name:
    Thiopurine S-methyltransferase
    EC=2.1.1.67
Alternative name(s):
    Thiopurine methyltransferase

Gene names

Name:	tpm
Ordered Locus Names:	XC_2843

Organism

Xanthomonas campestris pv. campestris (strain 8004) [Complete proteome] [HAMAP]

Taxonomic identifier

314565 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Xanthomonadales › Xanthomonadaceae › Xanthomonas

Protein attributes

Sequence length	218 AA.
Sequence status	Complete.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	S-adenosyl-L-methionine + a thiopurine = S-adenosyl-L-homocysteine + a thiopurine S-methylether. HAMAP MF_00812
Subcellular location	Cytoplasm By similarity HAMAP MF_00812.
Sequence similarities	Belongs to the methyltransferase superfamily. TPMT family.

Ontologies

Keywords
Cellular component	Cytoplasm
Ligand	S-adenosyl-L-methionine
Molecular function	Methyltransferase Transferase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	metabolic process Inferred from electronic annotation. Source: InterPro
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	thiopurine S-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 – 218	218	Thiopurine S-methyltransferase HAMAP MF_00812		PRO_1000047229
Sites
	Binding site	10	1	S-adenosyl-L-methionine By similarity
	Binding site	45	1	S-adenosyl-L-methionine; via carbonyl oxygen By similarity
	Binding site	66	1	S-adenosyl-L-methionine By similarity
	Binding site	123	1	S-adenosyl-L-methionine By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q4UST1-1 [UniParc]. Last modified July 5, 2005. Version 1. Checksum: 887F06E595ABF197	FASTA	218	24,228
	10 20 30 40 50 60 MDTDFWLQRW QDGQTGFHQD EVMPLLQKHW PALQLPAHAR VLVPLCGKTL DLHWLAAQGH 70 80 90 100 110 120 RVLGVEISPL AVTQFFDDAG LQPQRHTSRA GEHCIAGPIE IICGDAFTLD ASVLGDCTAV 130 140 150 160 170 180 YDRAALVALP AALRQRYLET VYARLPAGCR GLLITLDYPQ AEKAGPPFSV DAAEVHALFG 190 200 210 TQWKVQELEH RDILDQEPRF RADGVTALST GVYRLQRD

References

[1]

"Comparative and functional genomic analyses of the pathogenicity of phytopathogen Xanthomonas campestris pv. campestris." Qian W., Jia Y., Ren S.-X., He Y.-Q., Feng J.-X., Lu L.-F., Sun Q., Ying G., Tang D.-J., Tang H., Wu W., Hao P., Wang L., Jiang B.-L., Zeng S., Gu W.-Y., Lu G., Rong L. , Tian Y., Yao Z., Fu G., Chen B., Fang R., Qiang B., Chen Z., Zhao G.-P., Tang J.-L., He C. Genome Res. 15:757-767(2005) [PubMed: 15899963] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000050 Genomic DNA. Translation: AAY49892.1.
RefSeq	YP_243912.1.
3D structure databases
HSSP	HSSP built from PDB template 2BZG based on UniProtKB O43213.
SMR	Q4UST1. Positions 1-218.
ModBase	Search...
Protein-protein interaction databases
STRING	Q4UST1.
Genome annotation databases
GeneID	3381377.
GenomeReviews	Gene locus XC_2843 in contig CP000050_GR.
KEGG	xcb:XC_2843.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0500.
HOGENOM	HBG444929.
OMA	GKSLDMC.
Enzyme and pathway databases
BioCyc	XCAM314565:XC_2843-MONOMER.
Family and domain databases
HAMAP	MF_00812. Thiopur_methtran. [Tree]
InterPro	IPR008854. Thiopurine_S-MeTrfase. IPR016822. Thiopurine_S-MeTrfase_sub. [Graphical view]
Pfam	PF05724. TPMT. 1 hit. [Graphical view]
PIRSF	PIRSF023956. Thiopurine_S-methyltransferase. 1 hit.
ProtoNet	Search...

Entry information

Entry name

TPMT_XANC8

Accession

Primary (citable) accession number: Q4UST1

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	July 5, 2005
Last modified:	January 19, 2010
This is version 27 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)