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8A5W

Crystal structure of the human phosphoserine aminotransferase (PSAT) in complex with O-phosphoserine

Functional Information from GO Data
ChainGOidnamespacecontents
A0004648molecular_functionO-phospho-L-serine:2-oxoglutarate aminotransferase activity
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006564biological_processL-serine biosynthetic process
A0008615biological_processpyridoxine biosynthetic process
A0030170molecular_functionpyridoxal phosphate binding
A0042802molecular_functionidentical protein binding
A0070062cellular_componentextracellular exosome
A0110076biological_processnegative regulation of ferroptosis
B0004648molecular_functionO-phospho-L-serine:2-oxoglutarate aminotransferase activity
B0005515molecular_functionprotein binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006564biological_processL-serine biosynthetic process
B0008615biological_processpyridoxine biosynthetic process
B0030170molecular_functionpyridoxal phosphate binding
B0042802molecular_functionidentical protein binding
B0070062cellular_componentextracellular exosome
B0110076biological_processnegative regulation of ferroptosis
C0004648molecular_functionO-phospho-L-serine:2-oxoglutarate aminotransferase activity
C0005515molecular_functionprotein binding
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0006564biological_processL-serine biosynthetic process
C0008615biological_processpyridoxine biosynthetic process
C0030170molecular_functionpyridoxal phosphate binding
C0042802molecular_functionidentical protein binding
C0070062cellular_componentextracellular exosome
C0110076biological_processnegative regulation of ferroptosis
D0004648molecular_functionO-phospho-L-serine:2-oxoglutarate aminotransferase activity
D0005515molecular_functionprotein binding
D0005737cellular_componentcytoplasm
D0005829cellular_componentcytosol
D0006564biological_processL-serine biosynthetic process
D0008615biological_processpyridoxine biosynthetic process
D0030170molecular_functionpyridoxal phosphate binding
D0042802molecular_functionidentical protein binding
D0070062cellular_componentextracellular exosome
D0110076biological_processnegative regulation of ferroptosis
E0004648molecular_functionO-phospho-L-serine:2-oxoglutarate aminotransferase activity
E0005515molecular_functionprotein binding
E0005737cellular_componentcytoplasm
E0005829cellular_componentcytosol
E0006564biological_processL-serine biosynthetic process
E0008615biological_processpyridoxine biosynthetic process
E0030170molecular_functionpyridoxal phosphate binding
E0042802molecular_functionidentical protein binding
E0070062cellular_componentextracellular exosome
E0110076biological_processnegative regulation of ferroptosis
F0004648molecular_functionO-phospho-L-serine:2-oxoglutarate aminotransferase activity
F0005515molecular_functionprotein binding
F0005737cellular_componentcytoplasm
F0005829cellular_componentcytosol
F0006564biological_processL-serine biosynthetic process
F0008615biological_processpyridoxine biosynthetic process
F0030170molecular_functionpyridoxal phosphate binding
F0042802molecular_functionidentical protein binding
F0070062cellular_componentextracellular exosome
F0110076biological_processnegative regulation of ferroptosis
G0004648molecular_functionO-phospho-L-serine:2-oxoglutarate aminotransferase activity
G0005515molecular_functionprotein binding
G0005737cellular_componentcytoplasm
G0005829cellular_componentcytosol
G0006564biological_processL-serine biosynthetic process
G0008615biological_processpyridoxine biosynthetic process
G0030170molecular_functionpyridoxal phosphate binding
G0042802molecular_functionidentical protein binding
G0070062cellular_componentextracellular exosome
G0110076biological_processnegative regulation of ferroptosis
H0004648molecular_functionO-phospho-L-serine:2-oxoglutarate aminotransferase activity
H0005515molecular_functionprotein binding
H0005737cellular_componentcytoplasm
H0005829cellular_componentcytosol
H0006564biological_processL-serine biosynthetic process
H0008615biological_processpyridoxine biosynthetic process
H0030170molecular_functionpyridoxal phosphate binding
H0042802molecular_functionidentical protein binding
H0070062cellular_componentextracellular exosome
H0110076biological_processnegative regulation of ferroptosis
Functional Information from PROSITE/UniProt
site_idPS00595
Number of Residues20
DetailsAA_TRANSFER_CLASS_5 Aminotransferases class-V pyridoxal-phosphate attachment site. FGVIfaGAQKnvgsa.GvTvV
ChainResidueDetails
EPHE191-VAL210
DPHE191-VAL210

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues16
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"36851825","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8A5W","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues48
DetailsBinding site: {"evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"AUG-2008","submissionDatabase":"PDB data bank","title":"Human phosphoserine aminotransferase in complex with PLP.","authoringGroup":["Structural Genomics Consortium (SGC)"],"authors":["Lehtio L.","Karlberg T.","Andersson J.","Arrowsmith C.H.","Berglund H.","Bountra C.","Collins R.","Dahlgren L.G.","Edwards A.M.","Flodin S.","Flores A.","Graslund S.","Hammarstrom M.","Johansson A.","Johansson I.","Kotenyova T.","Moche M.","Nilsson M.E.","Nordlund P.","Nyman T.","Olesen K.","Persson C.","Sagemark J.","Thorsell S.G.","Tresaugues L.","Van Den Berg S.","Welin M.","Wikstrom M.","Wisniewska M.","Weigelt J.","Schueler H."]}},{"source":"PubMed","id":"36851825","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"3E77","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8A5V","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"36851825","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3E77","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8A5V","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"AUG-2008","submissionDatabase":"PDB data bank","title":"Human phosphoserine aminotransferase in complex with PLP.","authoringGroup":["Structural Genomics Consortium (SGC)"],"authors":["Lehtio L.","Karlberg T.","Andersson J.","Arrowsmith C.H.","Berglund H.","Bountra C.","Collins R.","Dahlgren L.G.","Edwards A.M.","Flodin S.","Flores A.","Graslund S.","Hammarstrom M.","Johansson A.","Johansson I.","Kotenyova T.","Moche M.","Nilsson M.E.","Nordlund P.","Nyman T.","Olesen K.","Persson C.","Sagemark J.","Thorsell S.G.","Tresaugues L.","Van Den Berg S.","Welin M.","Wikstrom M.","Wisniewska M.","Weigelt J.","Schueler H."]}},{"source":"PubMed","id":"36851825","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"3E77","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8A5V","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues24
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"36851825","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8A5W","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues40
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues8
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"Q99K85","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues8
DetailsModified residue: {"description":"N6-(pyridoxal phosphate)lysine","evidences":[{"source":"PubMed","id":"36851825","evidenceCode":"ECO:0000269"},{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"AUG-2008","submissionDatabase":"PDB data bank","title":"Human phosphoserine aminotransferase in complex with PLP.","authoringGroup":["Structural Genomics Consortium (SGC)"],"authors":["Lehtio L.","Karlberg T.","Andersson J.","Arrowsmith C.H.","Berglund H.","Bountra C.","Collins R.","Dahlgren L.G.","Edwards A.M.","Flodin S.","Flores A.","Graslund S.","Hammarstrom M.","Johansson A.","Johansson I.","Kotenyova T.","Moche M.","Nilsson M.E.","Nordlund P.","Nyman T.","Olesen K.","Persson C.","Sagemark J.","Thorsell S.G.","Tresaugues L.","Van Den Berg S.","Welin M.","Wikstrom M.","Wisniewska M.","Weigelt J.","Schueler H."]}},{"source":"PDB","id":"3E77","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8A5V","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues8
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues8
DetailsModified residue: {"description":"Phosphoserine; by CAMK2A","evidences":[{"source":"PubMed","id":"40281343","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

251422

PDB entries from 2026-04-01

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