ID I1XKV7_METNJ Unreviewed; 331 AA.
AC I1XKV7;
DT 11-JUL-2012, integrated into UniProtKB/TrEMBL.
DT 11-JUL-2012, sequence version 1.
DT 24-JAN-2024, entry version 60.
DE RecName: Full=4-hydroxythreonine-4-phosphate dehydrogenase {ECO:0000256|HAMAP-Rule:MF_00536};
DE EC=1.1.1.262 {ECO:0000256|HAMAP-Rule:MF_00536};
DE AltName: Full=4-(phosphohydroxy)-L-threonine dehydrogenase {ECO:0000256|HAMAP-Rule:MF_00536};
GN Name=pdxA {ECO:0000256|HAMAP-Rule:MF_00536};
GN OrderedLocusNames=Q7A_2214 {ECO:0000313|EMBL:AFI85026.1};
OS Methylophaga nitratireducenticrescens.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Piscirickettsiaceae; Methylophaga.
OX NCBI_TaxID=754476 {ECO:0000313|EMBL:AFI85026.1, ECO:0000313|Proteomes:UP000009144};
RN [1] {ECO:0000313|EMBL:AFI85026.1, ECO:0000313|Proteomes:UP000009144}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JAM1 {ECO:0000313|EMBL:AFI85026.1,
RC ECO:0000313|Proteomes:UP000009144};
RX PubMed=22815445; DOI=10.1128/JB.00726-12;
RA Villeneuve C., Martineau C., Mauffrey F., Villemur R.;
RT "Complete genome sequences of Methylophaga sp. strain JAM1 and Methylophaga
RT sp. strain JAM7.";
RL J. Bacteriol. 194:4126-4127(2012).
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:0000256|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:0000256|HAMAP-
CC Rule:MF_00536};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00536};
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00536};
CC Name=Co(2+); Xref=ChEBI:CHEBI:48828;
CC Evidence={ECO:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_00536}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00536}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00536}.
CC -!- MISCELLANEOUS: The active site is located at the dimer interface.
CC {ECO:0000256|HAMAP-Rule:MF_00536}.
CC -!- SIMILARITY: Belongs to the PdxA family. {ECO:0000256|HAMAP-
CC Rule:MF_00536}.
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DR EMBL; CP003390; AFI85026.1; -; Genomic_DNA.
DR RefSeq; WP_014707394.1; NC_017857.3.
DR AlphaFoldDB; I1XKV7; -.
DR STRING; 754476.Q7A_2214; -.
DR KEGG; mej:Q7A_2214; -.
DR PATRIC; fig|754476.3.peg.2189; -.
DR eggNOG; COG1995; Bacteria.
DR HOGENOM; CLU_040168_1_0_6; -.
DR OMA; TAQVVMM; -.
DR OrthoDB; 9801783at2; -.
DR UniPathway; UPA00244; UER00312.
DR Proteomes; UP000009144; 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 Gene3D; 3.40.718.10; Isopropylmalate Dehydrogenase; 1.
DR HAMAP; MF_00536; PdxA; 1.
DR InterPro; IPR037510; PdxA.
DR InterPro; IPR005255; PdxA_fam.
DR NCBIfam; TIGR00557; pdxA; 1.
DR PANTHER; PTHR30004; 4-HYDROXYTHREONINE-4-PHOSPHATE DEHYDROGENASE; 1.
DR PANTHER; PTHR30004:SF5; 4-HYDROXYTHREONINE-4-PHOSPHATE DEHYDROGENASE; 1.
DR Pfam; PF04166; PdxA; 1.
DR SUPFAM; SSF53659; Isocitrate/Isopropylmalate dehydrogenase-like; 1.
PE 3: Inferred from homology;
KW Cobalt {ECO:0000256|HAMAP-Rule:MF_00536};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00536};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_00536};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00536}; NAD {ECO:0000256|HAMAP-Rule:MF_00536};
KW NADP {ECO:0000256|HAMAP-Rule:MF_00536};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_00536}; Pyridoxine biosynthesis {ECO:0000256|HAMAP-Rule:MF_00536};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_00536}.
FT BINDING 136
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00536"
FT BINDING 137
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00536"
FT BINDING 166
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00536"
FT BINDING 211
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00536"
FT BINDING 266
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00536"
FT BINDING 274
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00536"
FT BINDING 283
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00536"
FT BINDING 292
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00536"
SQ SEQUENCE 331 AA; 35300 MW; 63A4AFA79F63D754 CRC64;
MSDICRIALT SGEPAGIGPD LCIQLAQQGQ RHEIVVIADP ELLQQRADEL SLPLKLVEFD
PNSDPKPGEA GRIVYLASKL AEKVVPGKLN PANSAYVIDT LQLALNGCLD GTFDAVVTAP
VHKGVINDAQ IPFSGHTEFF ADGAGVNKVV MMLATPELRV ALATTHLPLR EVSDAVTQQS
LLQIMRILAN GLHFSFGLKH PRIAVCGLNP HAGEGGHLGA EEQTVIEPAI KLIREQGYEF
NGPWPADTIF VKSRLAEYDA VLAMYHDQGL PVLKHQGFGD AVNITLGLPF IRTSVDHGTA
LDLAASGNAS ATSLQAAINM AETMSLSRRT A
//