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Q09438

- MTAP_CAEEL

UniProt

Q09438 - MTAP_CAEEL

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Protein

S-methyl-5'-thioadenosine phosphorylase

Gene

B0228.7

Organism
Caenorhabditis elegans
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.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 sitei10 – 101PhosphateUniRule annotation
Sitei170 – 1701Important for substrate specificityUniRule annotation
Binding sitei188 – 1881Substrate; via amide nitrogenUniRule annotation
Binding sitei189 – 1891PhosphateUniRule annotation
Sitei224 – 2241Important for substrate specificityUniRule annotation

GO - Molecular functioni

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

GO - Biological processi

  1. L-methionine biosynthetic process 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

ReactomeiREACT_183249. Methionine salvage pathway.
SignaLinkiQ09438.
UniPathwayiUPA00904; UER00873.

Names & Taxonomyi

Protein namesi
Recommended name:
S-methyl-5'-thioadenosine phosphorylaseUniRule annotation (EC:2.4.2.28UniRule annotation)
Alternative name(s):
5'-methylthioadenosine phosphorylaseUniRule annotation
Short name:
MTA phosphorylaseUniRule annotation
Short name:
MTAPUniRule annotation
Short name:
MTAPaseUniRule annotation
Gene namesi
ORF Names:B0228.7
OrganismiCaenorhabditis elegans
Taxonomic identifieri6239 [NCBI]
Taxonomic lineageiEukaryotaMetazoaEcdysozoaNematodaChromadoreaRhabditidaRhabditoideaRhabditidaePeloderinaeCaenorhabditis
ProteomesiUP000001940: Chromosome II

Organism-specific databases

WormBaseiB0228.7; CE34630; WBGene00015064.

Subcellular locationi

Cytoplasm UniRule annotation. Nucleus UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-HAMAP
  2. nucleus Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 288288S-methyl-5'-thioadenosine phosphorylasePRO_0000184547Add
BLAST

Proteomic databases

PaxDbiQ09438.

Interactioni

Subunit structurei

Homotrimer.UniRule annotation

Protein-protein interaction databases

STRINGi6239.B0228.7.2.

Structurei

3D structure databases

ProteinModelPortaliQ09438.
SMRiQ09438. Positions 2-271.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni52 – 532Phosphate bindingUniRule annotation
Regioni85 – 862Phosphate bindingUniRule annotation
Regioni212 – 2143Substrate bindingUniRule annotation

Sequence similaritiesi

Belongs to the PNP/MTAP phosphorylase family. MTAP subfamily.UniRule annotation

Phylogenomic databases

eggNOGiCOG0005.
GeneTreeiENSGT00550000074874.
HOGENOMiHOG000228987.
InParanoidiQ09438.
KOiK00772.
OMAiNARANIW.
PhylomeDBiQ09438.

Family and domain databases

Gene3Di3.40.50.1580. 1 hit.
HAMAPiMF_01963. MTAP.
InterProiIPR010044. MTAP.
IPR000845. Nucleoside_phosphorylase_d.
IPR001369. PNP/MTAP.
IPR018099. Purine_phosphorylase-2_CS.
[Graphical view]
PANTHERiPTHR11904. PTHR11904. 1 hit.
PfamiPF01048. PNP_UDP_1. 1 hit.
[Graphical view]
SUPFAMiSSF53167. SSF53167. 1 hit.
TIGRFAMsiTIGR01694. MTAP. 1 hit.
PROSITEiPS01240. PNP_MTAP_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q09438-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MVKVGIIGGS GLEDPNILLD PVTVAVDTPY GKPSDDVVEG TINGVECVLL
60 70 80 90 100
ARHGRKHDIM PGNVNFRANL WALYSRGVDV IIASTACGSL QENVEPGHLL
110 120 130 140 150
FPDSVFDRTT GRQSTFFDGS YDQAPGVCHI QAHPTYNEKL RQVLISTAER
160 170 180 190 200
CQLVHHRTGF GVCIEGPRFS TKAESMVFKS WGASLVNMTM MPECILAKEL
210 220 230 240 250
GIPYATTALV TDYDCWKEED HVTASSVMKV FAANVEKAKT LFVEAVGEIG
260 270 280
KIDWSAEILK LKTEARESVM ISPDVVIPFL TTDNQKKF
Length:288
Mass (Da):31,564
Last modified:February 2, 2004 - v2
Checksum:iA998E73C52DA1D3C
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
FO080130 Genomic DNA. Translation: CCD61451.1.
PIRiT29047.
RefSeqiNP_495629.2. NM_063228.6.
UniGeneiCel.16075.

Genome annotation databases

EnsemblMetazoaiB0228.7.1; B0228.7.1; WBGene00015064.
B0228.7.2; B0228.7.2; WBGene00015064.
GeneIDi174252.
KEGGicel:CELE_B0228.7.
UCSCiB0228.7.1. c. elegans.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
FO080130 Genomic DNA. Translation: CCD61451.1 .
PIRi T29047.
RefSeqi NP_495629.2. NM_063228.6.
UniGenei Cel.16075.

3D structure databases

ProteinModelPortali Q09438.
SMRi Q09438. Positions 2-271.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 6239.B0228.7.2.

Proteomic databases

PaxDbi Q09438.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblMetazoai B0228.7.1 ; B0228.7.1 ; WBGene00015064 .
B0228.7.2 ; B0228.7.2 ; WBGene00015064 .
GeneIDi 174252.
KEGGi cel:CELE_B0228.7.
UCSCi B0228.7.1. c. elegans.

Organism-specific databases

CTDi 174252.
WormBasei B0228.7 ; CE34630 ; WBGene00015064 .

Phylogenomic databases

eggNOGi COG0005.
GeneTreei ENSGT00550000074874.
HOGENOMi HOG000228987.
InParanoidi Q09438.
KOi K00772.
OMAi NARANIW.
PhylomeDBi Q09438.

Enzyme and pathway databases

UniPathwayi UPA00904 ; UER00873 .
Reactomei REACT_183249. Methionine salvage pathway.
SignaLinki Q09438.

Miscellaneous databases

NextBioi 883235.
PROi Q09438.

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.
IPR018099. Purine_phosphorylase-2_CS.
[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.
PROSITEi PS01240. PNP_MTAP_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Genome sequence of the nematode C. elegans: a platform for investigating biology."
    The C. elegans sequencing consortium
    Science 282:2012-2018(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: Bristol N2.

Entry informationi

Entry nameiMTAP_CAEEL
AccessioniPrimary (citable) accession number: Q09438
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 1, 1995
Last sequence update: February 2, 2004
Last modified: October 29, 2014
This is version 96 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programCaenorhabditis annotation project

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Caenorhabditis elegans
    Caenorhabditis elegans: entries, gene names and cross-references to WormBase
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3