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Protein

S-methyl-5'-thioadenosine phosphorylase

Gene

CC1G_06667

Organism
Coprinopsis cinerea (strain Okayama-7 / 130 / ATCC MYA-4618 / FGSC 9003) (Inky cap fungus) (Hormographiella aspergillata)
Status
Reviewed-Annotation score: 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 sitei14 – 141PhosphateUniRule annotation
Sitei178 – 1781Important for substrate specificityUniRule annotation
Binding sitei196 – 1961Substrate; via amide nitrogenUniRule annotation
Binding sitei197 – 1971PhosphateUniRule annotation
Sitei233 – 2331Important 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

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:CC1G_06667
OrganismiCoprinopsis cinerea (strain Okayama-7 / 130 / ATCC MYA-4618 / FGSC 9003) (Inky cap fungus) (Hormographiella aspergillata)
Taxonomic identifieri240176 [NCBI]
Taxonomic lineageiEukaryotaFungiDikaryaBasidiomycotaAgaricomycotinaAgaricomycetesAgaricomycetidaeAgaricalesPsathyrellaceaeCoprinopsis
ProteomesiUP000001861: Unassembled WGS sequence

Subcellular locationi

Cytoplasm UniRule annotation. Nucleus UniRule annotation

GO - Cellular componenti

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

Keywords - Cellular componenti

Cytoplasm, Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 324324S-methyl-5'-thioadenosine phosphorylasePRO_0000415126Add
BLAST

Interactioni

Subunit structurei

Homotrimer.UniRule annotation

Structurei

3D structure databases

ProteinModelPortaliA8P7Y3.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni57 – 582Phosphate bindingUniRule annotation
Regioni90 – 912Phosphate bindingUniRule annotation
Regioni220 – 2223Substrate bindingUniRule annotation

Sequence similaritiesi

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

Phylogenomic databases

InParanoidiA8P7Y3.
KOiK00772.
OrthoDBiEOG77DJGM.

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.
PROSITEiPS01240. PNP_MTAP_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

A8P7Y3-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSEENVLIGV IGGSGLYQLD NLTVVKTVNP ETPWGFPSSP ITIAALPSGT
60 70 80 90 100
KVAFLARHGI GHVIPPSSVP STANIAALKS LGVSAILSFS AVGSLREEIS
110 120 130 140 150
PGSFALPSQI IDRTKGIRDS SFFNGTSIVA HAMFGDPFSN KLIRWLEPRV
160 170 180 190 200
RKALEKEGKG KLLFTDKTIV CMEGPQFSTR AESVMYRQWG GDLINMSVLP
210 220 230 240 250
EAKLAREAEL SYALIAMATD YDSWRPHSDA VTAHDVVQTL HDNGASAKLV
260 270 280 290 300
LSTILDDLHT TINTHHRALT NGNSQDLEAI REEEALLQER GSMKFSIMPA
310 320
SPQQKAEDRK KLAFILPEHF KDAA
Length:324
Mass (Da):35,186
Last modified:January 15, 2008 - v1
Checksum:iE040B635EF883BE6
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AACS02000005 Genomic DNA. Translation: EAU82357.1.
RefSeqiXP_001839454.1. XM_001839402.2.

Genome annotation databases

GeneIDi6016068.
KEGGicci:CC1G_06667.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AACS02000005 Genomic DNA. Translation: EAU82357.1.
RefSeqiXP_001839454.1. XM_001839402.2.

3D structure databases

ProteinModelPortaliA8P7Y3.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi6016068.
KEGGicci:CC1G_06667.

Phylogenomic databases

InParanoidiA8P7Y3.
KOiK00772.
OrthoDBiEOG77DJGM.

Enzyme and pathway databases

UniPathwayiUPA00904; UER00873.

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.
PROSITEiPS01240. PNP_MTAP_2. 1 hit.
[Graphical view]
ProtoNetiSearch...

Publicationsi

  1. "Insights into evolution of multicellular fungi from the assembled chromosomes of the mushroom Coprinopsis cinerea (Coprinus cinereus)."
    Stajich J.E., Wilke S.K., Ahren D., Au C.H., Birren B.W., Borodovsky M., Burns C., Canbaeck B., Casselton L.A., Cheng C.K., Deng J., Dietrich F.S., Fargo D.C., Farman M.L., Gathman A.C., Goldberg J., Guigo R., Hoegger P.J.
    , Hooker J.B., Huggins A., James T.Y., Kamada T., Kilaru S., Kodira C., Kuees U., Kupfer D., Kwan H.S., Lomsadze A., Li W., Lilly W.W., Ma L.-J., Mackey A.J., Manning G., Martin F., Muraguchi H., Natvig D.O., Palmerini H., Ramesh M.A., Rehmeyer C.J., Roe B.A., Shenoy N., Stanke M., Ter-Hovhannisyan V., Tunlid A., Velagapudi R., Vision T.J., Zeng Q., Zolan M.E., Pukkila P.J.
    Proc. Natl. Acad. Sci. U.S.A. 107:11889-11894(2010) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: Okayama-7 / 130 / ATCC MYA-4618 / FGSC 9003.

Entry informationi

Entry nameiMTAP_COPC7
AccessioniPrimary (citable) accession number: A8P7Y3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 25, 2012
Last sequence update: January 15, 2008
Last modified: January 7, 2015
This is version 40 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programFungal 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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.