ID N6YAQ5_9RHOO Unreviewed; 395 AA.
AC N6YAQ5;
DT 26-JUN-2013, integrated into UniProtKB/TrEMBL.
DT 26-JUN-2013, sequence version 1.
DT 24-JAN-2024, entry version 48.
DE RecName: Full=Phosphoserine aminotransferase {ECO:0000256|HAMAP-Rule:MF_00160};
DE EC=2.6.1.52 {ECO:0000256|HAMAP-Rule:MF_00160};
DE AltName: Full=Phosphohydroxythreonine aminotransferase {ECO:0000256|HAMAP-Rule:MF_00160};
DE Short=PSAT {ECO:0000256|HAMAP-Rule:MF_00160};
GN Name=serC {ECO:0000256|HAMAP-Rule:MF_00160};
GN ORFNames=B447_16677 {ECO:0000313|EMBL:ENO77074.1};
OS Thauera sp. 27.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Rhodocyclales; Zoogloeaceae;
OC Thauera.
OX NCBI_TaxID=305700 {ECO:0000313|EMBL:ENO77074.1, ECO:0000313|Proteomes:UP000013140};
RN [1] {ECO:0000313|EMBL:ENO77074.1, ECO:0000313|Proteomes:UP000013140}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=27 {ECO:0000313|EMBL:ENO77074.1,
RC ECO:0000313|Proteomes:UP000013140};
RA Liu B., Shapleigh J.P., Frostegard A.H.;
RT "Draft Genome Sequences of 6 Strains from Genus Thauera.";
RL Submitted (SEP-2012) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reversible conversion of 3-
CC phosphohydroxypyruvate to phosphoserine and of 3-hydroxy-2-oxo-4-
CC phosphonooxybutanoate to phosphohydroxythreonine. {ECO:0000256|HAMAP-
CC Rule:MF_00160}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-oxoglutarate + 4-(phosphooxy)-L-threonine = (R)-3-hydroxy-2-
CC oxo-4-phosphooxybutanoate + L-glutamate; Xref=Rhea:RHEA:16573,
CC ChEBI:CHEBI:16810, ChEBI:CHEBI:29985, ChEBI:CHEBI:58452,
CC ChEBI:CHEBI:58538; EC=2.6.1.52;
CC Evidence={ECO:0000256|ARBA:ARBA00001607, ECO:0000256|HAMAP-
CC Rule:MF_00160};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-oxoglutarate + O-phospho-L-serine = 3-phosphooxypyruvate +
CC L-glutamate; Xref=Rhea:RHEA:14329, ChEBI:CHEBI:16810,
CC ChEBI:CHEBI:18110, ChEBI:CHEBI:29985, ChEBI:CHEBI:57524; EC=2.6.1.52;
CC Evidence={ECO:0000256|ARBA:ARBA00001871, ECO:0000256|HAMAP-
CC Rule:MF_00160};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00160};
CC Note=Binds 1 pyridoxal phosphate per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_00160};
CC -!- PATHWAY: Amino-acid biosynthesis; L-serine biosynthesis; L-serine from
CC 3-phospho-D-glycerate: step 2/3. {ECO:0000256|ARBA:ARBA00005099,
CC ECO:0000256|HAMAP-Rule:MF_00160}.
CC -!- PATHWAY: Cofactor biosynthesis; pyridoxine 5'-phosphate biosynthesis;
CC pyridoxine 5'-phosphate from D-erythrose 4-phosphate: step 3/5.
CC {ECO:0000256|HAMAP-Rule:MF_00160}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00160}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00160}.
CC -!- SIMILARITY: Belongs to the class-V pyridoxal-phosphate-dependent
CC aminotransferase family. SerC subfamily.
CC {ECO:0000256|ARBA:ARBA00006904, ECO:0000256|HAMAP-Rule:MF_00160}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00160}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:ENO77074.1}.
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DR EMBL; AMXB01000034; ENO77074.1; -; Genomic_DNA.
DR RefSeq; WP_002943016.1; NZ_AMXB01000034.1.
DR AlphaFoldDB; N6YAQ5; -.
DR eggNOG; COG1932; Bacteria.
DR UniPathway; UPA00135; UER00197.
DR UniPathway; UPA00244; UER00311.
DR Proteomes; UP000013140; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004648; F:O-phospho-L-serine:2-oxoglutarate aminotransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0030170; F:pyridoxal phosphate binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006564; P:L-serine biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0008615; P:pyridoxine biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.90.1150.10; Aspartate Aminotransferase, domain 1; 1.
DR Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 1.
DR HAMAP; MF_00160; SerC_aminotrans_5; 1.
DR InterPro; IPR000192; Aminotrans_V_dom.
DR InterPro; IPR022278; Pser_aminoTfrase.
DR InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR PANTHER; PTHR43247; PHOSPHOSERINE AMINOTRANSFERASE; 1.
DR PANTHER; PTHR43247:SF1; PHOSPHOSERINE AMINOTRANSFERASE; 1.
DR Pfam; PF00266; Aminotran_5; 1.
DR PIRSF; PIRSF000525; SerC; 1.
DR SUPFAM; SSF53383; PLP-dependent transferases; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_00160};
KW Aminotransferase {ECO:0000256|ARBA:ARBA00022576, ECO:0000256|HAMAP-
KW Rule:MF_00160}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00160};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_00160};
KW Pyridoxine biosynthesis {ECO:0000256|ARBA:ARBA00023096, ECO:0000256|HAMAP-
KW Rule:MF_00160}; Reference proteome {ECO:0000313|Proteomes:UP000013140};
KW Serine biosynthesis {ECO:0000256|ARBA:ARBA00023299, ECO:0000256|HAMAP-
KW Rule:MF_00160};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00160, ECO:0000313|EMBL:ENO77074.1}.
FT DOMAIN 20..324
FT /note="Aminotransferase class V"
FT /evidence="ECO:0000259|Pfam:PF00266"
FT BINDING 86..87
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00160"
FT BINDING 114
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00160"
FT BINDING 178
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00160"
FT BINDING 197
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00160"
FT BINDING 220
FT /ligand="pyridoxal 5'-phosphate"
FT /ligand_id="ChEBI:CHEBI:597326"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00160"
FT MOD_RES 221
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00160"
SQ SEQUENCE 395 AA; 41654 MW; C12959C8D9766454 CRC64;
MSGRVPTGLA AWRTRPGFSF SAAAGPLPTA VADEVAEACR PGPGSILSLP FTTSAYRSLQ
AETEACLRRL LAIPDEFVVL FMAGGASTQF ALVPMNLYGA DTGARAVYID SGHWSRRAIA
EARRHCPVHV FALAALTAAW GCGGVPETAA AQARVGMSVL EDAVGYRPAY VHVTPNETAD
GLQFARLPVT QAPLVADLTS ELLTRAIDWQ RLDVGYAGTQ KTIGTPGLTL VIIRRSLLGH
ARAGTPRVMD YGAQAEAESR LCTPPVLPVF VAHRMLHWIE AAGGVAAMAV RLAHRHALVT
AAMAAGEGVG LYRWSAPSAW RSQVNPCFQL PDEETARRFF AAADATDLHD LGGHPERGGV
RLSLYNGLAD DAVAALAGLL SGFACSEAGR CHQAP
//
