PDXA_SYNFM
ID PDXA_SYNFM Reviewed; 345 AA.
AC A0LIN6;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 12-DEC-2006, sequence version 1.
DT 03-AUG-2022, entry version 88.
DE RecName: Full=4-hydroxythreonine-4-phosphate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00536};
DE EC=1.1.1.262 {ECO:0000255|HAMAP-Rule:MF_00536};
DE AltName: Full=4-(phosphohydroxy)-L-threonine dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00536};
GN Name=pdxA {ECO:0000255|HAMAP-Rule:MF_00536}; OrderedLocusNames=Sfum_1601;
OS Syntrophobacter fumaroxidans (strain DSM 10017 / MPOB).
OC Bacteria; Proteobacteria; Deltaproteobacteria; Syntrophobacterales;
OC Syntrophobacteraceae; Syntrophobacter.
OX NCBI_TaxID=335543;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 10017 / MPOB;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Pitluck S., Goltsman E.G.,
RA Martinez M., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA Kim E., Boone D.R., Brockman F., Culley D., Ferry J., Gunsalus R.,
RA McInerney M.J., Morrison M., Plugge C., Rohlin L., Scholten J., Sieber J.,
RA Stams A.J.M., Worm P., Henstra A.M., Richardson P.;
RT "Complete sequence of Syntrophobacter fumaroxidans MPOB.";
RL Submitted (OCT-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the NAD(P)-dependent oxidation of 4-(phosphooxy)-L-
CC threonine (HTP) into 2-amino-3-oxo-4-(phosphooxy)butyric acid which
CC spontaneously decarboxylates to form 3-amino-2-oxopropyl phosphate
CC (AHAP). {ECO:0000255|HAMAP-Rule:MF_00536}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4-(phosphooxy)-L-threonine + NAD(+) = 3-amino-2-oxopropyl
CC phosphate + CO2 + NADH; Xref=Rhea:RHEA:32275, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:57279, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC ChEBI:CHEBI:58452; EC=1.1.1.262; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00536};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00536};
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00536};
CC Name=Co(2+); Xref=ChEBI:CHEBI:48828;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00536};
CC Note=Binds 1 divalent metal cation per subunit. Can use ions such as
CC Zn(2+), Mg(2+) or Co(2+). {ECO:0000255|HAMAP-Rule:MF_00536};
CC -!- PATHWAY: Cofactor biosynthesis; pyridoxine 5'-phosphate biosynthesis;
CC pyridoxine 5'-phosphate from D-erythrose 4-phosphate: step 4/5.
CC {ECO:0000255|HAMAP-Rule:MF_00536}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00536}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00536}.
CC -!- MISCELLANEOUS: The active site is located at the dimer interface.
CC {ECO:0000255|HAMAP-Rule:MF_00536}.
CC -!- SIMILARITY: Belongs to the PdxA family. {ECO:0000255|HAMAP-
CC Rule:MF_00536}.
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DR EMBL; CP000478; ABK17288.1; -; Genomic_DNA.
DR RefSeq; WP_011698458.1; NC_008554.1.
DR AlphaFoldDB; A0LIN6; -.
DR SMR; A0LIN6; -.
DR STRING; 335543.Sfum_1601; -.
DR EnsemblBacteria; ABK17288; ABK17288; Sfum_1601.
DR KEGG; sfu:Sfum_1601; -.
DR eggNOG; COG1995; Bacteria.
DR HOGENOM; CLU_040168_0_0_7; -.
DR OMA; TAQVVMM; -.
DR OrthoDB; 1414545at2; -.
DR UniPathway; UPA00244; UER00312.
DR Proteomes; UP000001784; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0050570; F:4-hydroxythreonine-4-phosphate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0050897; F:cobalt ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0042823; P:pyridoxal phosphate biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0008615; P:pyridoxine biosynthetic process; IEA:UniProtKB-UniRule.
DR HAMAP; MF_00536; PdxA; 1.
DR InterPro; IPR037510; PdxA.
DR InterPro; IPR005255; PdxA_fam.
DR PANTHER; PTHR30004; PTHR30004; 1.
DR Pfam; PF04166; PdxA; 1.
DR TIGRFAMs; TIGR00557; pdxA; 1.
PE 3: Inferred from homology;
KW Cobalt; Cytoplasm; Magnesium; Metal-binding; NAD; NADP; Oxidoreductase;
KW Pyridoxine biosynthesis; Reference proteome; Zinc.
FT CHAIN 1..345
FT /note="4-hydroxythreonine-4-phosphate dehydrogenase"
FT /id="PRO_1000051520"
FT BINDING 143
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536"
FT BINDING 144
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536"
FT BINDING 173
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536"
FT BINDING 218
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536"
FT BINDING 274
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536"
FT BINDING 282
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536"
FT BINDING 291
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536"
FT BINDING 300
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00536"
SQ SEQUENCE 345 AA; 36533 MW; 030A0107EA02ED92 CRC64;
MSSSKPRIAL TMGDPCGVGP DVIAQALASP TLFECCTPIV VGDPSALQRS MALSGASKKV
LVLREPAELP DDPGSDRIPL IAPVELSGRD IEHGRPTAAT CGAVVRYIES AVAFALAGQV
RGVCTGPINK ARMHEHGFDF PGHTEFLQAL TGSRRVVMML AGPRLRVSLA TIHEALADVP
ALLNVEMLRE VIRITAEALI RDFGLQAPRL AVAGLNPHAG EEGRFGREEI EILRPAIESL
RPPGRCTVTG PYPADTLFQR AHAGEFDAVV AMYHDQGLVP IKLVHFYDAV NVSLGLPIVR
TSVDHGTAYD LAGTGRAHPG SLTAAVQLAA LMAHNRFAAV SPVVP
