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Q1INC3

- MTAP_KORVE

UniProt

Q1INC3 - MTAP_KORVE

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Protein
S-methyl-5'-thioadenosine phosphorylase
Gene
mtnP, Acid345_2626
Organism
Koribacter versatilis (strain Ellin345)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Catalyzes the reversible phosphorylation of S-methyl-5'-thioadenosine (MTA) to adenine and 5-methylthioribose-1-phosphate. Involved in the breakdown of MTA, a major by-product of polyamine biosynthesis. Responsible for the first step in the methionine salvage pathway after MTA has been generated from S-adenosylmethionine. Has broad substrate specificity with 6-aminopurine nucleosides as preferred substrates By similarity.UniRule annotation

Catalytic activityi

S-methyl-5'-thioadenosine + phosphate = adenine + S-methyl-5-thio-alpha-D-ribose 1-phosphate.UniRule annotation

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei11 – 111Phosphate By similarity
Sitei166 – 1661Important for substrate specificity By similarity
Binding sitei184 – 1841Substrate; via amide nitrogen By similarity
Binding sitei185 – 1851Phosphate By similarity
Sitei221 – 2211Important for substrate specificity By similarity

GO - Molecular functioni

  1. S-methyl-5-thioadenosine phosphorylase activity Source: UniProtKB-HAMAP
  2. phosphorylase activity Source: InterPro
Complete GO annotation...

GO - Biological processi

  1. L-methionine salvage from methylthioadenosine Source: UniProtKB-HAMAP
  2. purine ribonucleoside salvage Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Glycosyltransferase, Transferase

Keywords - Biological processi

Purine salvage

Enzyme and pathway databases

BioCyciKVER204669:GHL8-2648-MONOMER.
UniPathwayiUPA00904; UER00873.

Names & Taxonomyi

Protein namesi
Recommended name:
S-methyl-5'-thioadenosine phosphorylase (EC:2.4.2.28)
Alternative name(s):
5'-methylthioadenosine phosphorylase
Short name:
MTA phosphorylase
Short name:
MTAP
Gene namesi
Name:mtnP
Ordered Locus Names:Acid345_2626
OrganismiKoribacter versatilis (strain Ellin345)
Taxonomic identifieri204669 [NCBI]
Taxonomic lineageiBacteriaAcidobacteriaCandidatus Koribacter
ProteomesiUP000002432: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 292292S-methyl-5'-thioadenosine phosphorylaseUniRule annotation
PRO_0000415094Add
BLAST

Interactioni

Subunit structurei

Homohexamer. Dimer of a homotrimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi204669.Acid345_2626.

Structurei

3D structure databases

ProteinModelPortaliQ1INC3.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni53 – 542Phosphate binding By similarity
Regioni86 – 872Phosphate binding By similarity
Regioni208 – 2103Substrate binding By similarity

Sequence similaritiesi

Phylogenomic databases

eggNOGiCOG0005.
HOGENOMiHOG000228986.
KOiK00772.
OMAiCEAQLCY.
OrthoDBiEOG6KHFXC.

Family and domain databases

Gene3Di3.40.50.1580. 1 hit.
HAMAPiMF_01963. MTAP.
InterProiIPR010044. MTAP.
IPR000845. Nucleoside_phosphorylase_d.
IPR001369. PNP/MTAP.
[Graphical view]
PANTHERiPTHR11904. PTHR11904. 1 hit.
PfamiPF01048. PNP_UDP_1. 1 hit.
[Graphical view]
SUPFAMiSSF53167. SSF53167. 1 hit.
TIGRFAMsiTIGR01694. MTAP. 1 hit.

Sequencei

Sequence statusi: Complete.

Q1INC3-1 [UniParc]FASTAAdd to Basket

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MQAEIGIIGG SGLYSMPGVS DVQEVRVTTP FGEPSDPYVL GTLAGRKVAF    50
LARHGRGHRL LPTELNFRAN IHGFKQLGVE RIISVSAVGS LKEEHRPLEF 100
VIPDQFYDRT KQRVSTFFGE GIVAHVGFGD PVCGEMAKVV KHATDKAGVV 150
AKAGGTYVCM EGPQFSTKAE SNLYRSWGFD VIGMTNLQEA KLAREAELCY 200
VTVAMVTDYD CWHPDHDAVT VDQIVAVLLK NAENACSVVR EAVAAMPKDR 250
TCKCGSALAT AIITNKDVVP AATKEKLKLI IGKYFGEQKA GA 292
Length:292
Mass (Da):31,561
Last modified:June 13, 2006 - v1
Checksum:i49FB572E43B2BA15
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000360 Genomic DNA. Translation: ABF41627.1.
RefSeqiYP_591701.1. NC_008009.1.

Genome annotation databases

EnsemblBacteriaiABF41627; ABF41627; Acid345_2626.
GeneIDi4072035.
KEGGiaba:Acid345_2626.
PATRICi31982322. VBICanKor57425_2797.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000360 Genomic DNA. Translation: ABF41627.1 .
RefSeqi YP_591701.1. NC_008009.1.

3D structure databases

ProteinModelPortali Q1INC3.
ModBasei Search...

Protein-protein interaction databases

STRINGi 204669.Acid345_2626.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABF41627 ; ABF41627 ; Acid345_2626 .
GeneIDi 4072035.
KEGGi aba:Acid345_2626.
PATRICi 31982322. VBICanKor57425_2797.

Phylogenomic databases

eggNOGi COG0005.
HOGENOMi HOG000228986.
KOi K00772.
OMAi CEAQLCY.
OrthoDBi EOG6KHFXC.

Enzyme and pathway databases

UniPathwayi UPA00904 ; UER00873 .
BioCyci KVER204669:GHL8-2648-MONOMER.

Family and domain databases

Gene3Di 3.40.50.1580. 1 hit.
HAMAPi MF_01963. MTAP.
InterProi IPR010044. MTAP.
IPR000845. Nucleoside_phosphorylase_d.
IPR001369. PNP/MTAP.
[Graphical view ]
PANTHERi PTHR11904. PTHR11904. 1 hit.
Pfami PF01048. PNP_UDP_1. 1 hit.
[Graphical view ]
SUPFAMi SSF53167. SSF53167. 1 hit.
TIGRFAMsi TIGR01694. MTAP. 1 hit.
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: Ellin345.

Entry informationi

Entry nameiMTAP_KORVE
AccessioniPrimary (citable) accession number: Q1INC3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 25, 2012
Last sequence update: June 13, 2006
Last modified: May 14, 2014
This is version 48 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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