ID A0A0Q7KIU2_9ACTN Unreviewed; 247 AA.
AC A0A0Q7KIU2;
DT 20-JAN-2016, integrated into UniProtKB/TrEMBL.
DT 20-JAN-2016, sequence version 1.
DT 24-JAN-2024, entry version 33.
DE RecName: Full=4-hydroxy-tetrahydrodipicolinate reductase {ECO:0000256|ARBA:ARBA00038983, ECO:0000256|HAMAP-Rule:MF_00102};
DE Short=HTPA reductase {ECO:0000256|HAMAP-Rule:MF_00102};
DE EC=1.17.1.8 {ECO:0000256|ARBA:ARBA00038983, ECO:0000256|HAMAP-Rule:MF_00102};
GN Name=dapB {ECO:0000256|HAMAP-Rule:MF_00102};
GN ORFNames=ASD10_09890 {ECO:0000313|EMBL:KQX75456.1};
OS Aeromicrobium sp. Root472D3.
OC Bacteria; Actinomycetota; Actinomycetes; Propionibacteriales;
OC Nocardioidaceae; Aeromicrobium.
OX NCBI_TaxID=1736540 {ECO:0000313|EMBL:KQX75456.1, ECO:0000313|Proteomes:UP000050971};
RN [1] {ECO:0000313|EMBL:KQX75456.1, ECO:0000313|Proteomes:UP000050971}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Root472D3 {ECO:0000313|EMBL:KQX75456.1,
RC ECO:0000313|Proteomes:UP000050971};
RA Gilbert D.G.;
RL Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:KQX75456.1, ECO:0000313|Proteomes:UP000050971}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Root472D3 {ECO:0000313|EMBL:KQX75456.1,
RC ECO:0000313|Proteomes:UP000050971};
RA Schulze-Lefert P.;
RT "Functional overlap of the Arabidopsis leaf and root microbiotas.";
RL Submitted (NOV-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the conversion of 4-hydroxy-tetrahydrodipicolinate
CC (HTPA) to tetrahydrodipicolinate. {ECO:0000256|HAMAP-Rule:MF_00102}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(S)-2,3,4,5-tetrahydrodipicolinate + H2O + NAD(+) = (2S,4S)-4-
CC hydroxy-2,3,4,5-tetrahydrodipicolinate + H(+) + NADH;
CC Xref=Rhea:RHEA:35323, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16845, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC ChEBI:CHEBI:67139; EC=1.17.1.8;
CC Evidence={ECO:0000256|ARBA:ARBA00036290, ECO:0000256|HAMAP-
CC Rule:MF_00102};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(S)-2,3,4,5-tetrahydrodipicolinate + H2O + NADP(+) = (2S,4S)-
CC 4-hydroxy-2,3,4,5-tetrahydrodipicolinate + H(+) + NADPH;
CC Xref=Rhea:RHEA:35331, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16845, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC ChEBI:CHEBI:67139; EC=1.17.1.8;
CC Evidence={ECO:0000256|ARBA:ARBA00036097, ECO:0000256|HAMAP-
CC Rule:MF_00102};
CC -!- PATHWAY: Amino-acid biosynthesis; L-lysine biosynthesis via DAP
CC pathway; (S)-tetrahydrodipicolinate from L-aspartate: step 4/4.
CC {ECO:0000256|ARBA:ARBA00037922, ECO:0000256|HAMAP-Rule:MF_00102}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_00102}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00102}.
CC -!- SIMILARITY: Belongs to the DapB family. {ECO:0000256|ARBA:ARBA00006642,
CC ECO:0000256|HAMAP-Rule:MF_00102}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00102}.
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:KQX75456.1}.
CC -!- CAUTION: Was originally thought to be a dihydrodipicolinate reductase
CC (DHDPR), catalyzing the conversion of dihydrodipicolinate to
CC tetrahydrodipicolinate. However, it was shown in E.coli that the
CC substrate of the enzymatic reaction is not dihydrodipicolinate (DHDP)
CC but in fact (2S,4S)-4-hydroxy-2,3,4,5-tetrahydrodipicolinic acid
CC (HTPA), the product released by the DapA-catalyzed reaction.
CC {ECO:0000256|HAMAP-Rule:MF_00102}.
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DR EMBL; LMET01000001; KQX75456.1; -; Genomic_DNA.
DR RefSeq; WP_056607792.1; NZ_LMET01000001.1.
DR AlphaFoldDB; A0A0Q7KIU2; -.
DR STRING; 1736540.ASD10_09890; -.
DR OrthoDB; 9790352at2; -.
DR UniPathway; UPA00034; UER00018.
DR Proteomes; UP000050971; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0008839; F:4-hydroxy-tetrahydrodipicolinate reductase; IEA:UniProtKB-EC.
DR GO; GO:0051287; F:NAD binding; IEA:UniProtKB-UniRule.
DR GO; GO:0050661; F:NADP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016726; F:oxidoreductase activity, acting on CH or CH2 groups, NAD or NADP as acceptor; IEA:UniProtKB-UniRule.
DR GO; GO:0019877; P:diaminopimelate biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0009089; P:lysine biosynthetic process via diaminopimelate; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR HAMAP; MF_00102; DapB; 1.
DR InterPro; IPR022663; DapB_C.
DR InterPro; IPR000846; DapB_N.
DR InterPro; IPR022664; DapB_N_CS.
DR InterPro; IPR023940; DHDPR_bac.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR NCBIfam; TIGR00036; dapB; 1.
DR PANTHER; PTHR20836:SF0; 4-HYDROXY-TETRAHYDRODIPICOLINATE REDUCTASE 1, CHLOROPLASTIC-RELATED; 1.
DR PANTHER; PTHR20836; DIHYDRODIPICOLINATE REDUCTASE; 1.
DR Pfam; PF05173; DapB_C; 1.
DR Pfam; PF01113; DapB_N; 1.
DR PIRSF; PIRSF000161; DHPR; 1.
DR SUPFAM; SSF55347; Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR PROSITE; PS01298; DAPB; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_00102};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00102};
KW Diaminopimelate biosynthesis {ECO:0000256|ARBA:ARBA00022915,
KW ECO:0000256|HAMAP-Rule:MF_00102};
KW Lysine biosynthesis {ECO:0000256|ARBA:ARBA00023154, ECO:0000256|HAMAP-
KW Rule:MF_00102};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_00102};
KW NADP {ECO:0000256|HAMAP-Rule:MF_00102};
KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_00102};
KW Reference proteome {ECO:0000313|Proteomes:UP000050971}.
FT DOMAIN 3..106
FT /note="Dihydrodipicolinate reductase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF01113"
FT DOMAIN 109..245
FT /note="Dihydrodipicolinate reductase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF05173"
FT ACT_SITE 133
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT ACT_SITE 137
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT BINDING 8..13
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT BINDING 34
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT BINDING 76..78
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT BINDING 103..106
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT BINDING 134
FT /ligand="(S)-2,3,4,5-tetrahydrodipicolinate"
FT /ligand_id="ChEBI:CHEBI:16845"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
FT BINDING 143..144
FT /ligand="(S)-2,3,4,5-tetrahydrodipicolinate"
FT /ligand_id="ChEBI:CHEBI:16845"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00102"
SQ SEQUENCE 247 AA; 25174 MW; BC25166ABDA6AA6A CRC64;
MTRVAVLGAK GRMGSESVRA IGAADGLEVV AEIDQGDPLD LITSSGADVA LDFTQPAAAL
DNVTWCVEHG VHVVVGTSGF DDERIAAVRS LLGEAPTTGA LIVPNFSIGA ILMMRFAETA
APFFESIEVI EMHHPDKIDA PSGTAVRTAE VMAAARAAAG SAPLPDATTS DPDGARGARV
SGIPVHAVRA RGFVASQEVL FGGVGETFSI RHDSHDRGSF MPGVVAAVAG VAERPGVTVG
LDAVLGL
//
