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Database: UniProt
Entry: A0A1N7J6T3_9GAMM
LinkDB: A0A1N7J6T3_9GAMM
Original site: A0A1N7J6T3_9GAMM 
ID   A0A1N7J6T3_9GAMM        Unreviewed;       431 AA.
AC   A0A1N7J6T3;
DT   15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT   15-MAR-2017, sequence version 1.
DT   03-JUL-2019, entry version 14.
DE   RecName: Full=Homoserine dehydrogenase {ECO:0000256|RuleBase:RU000579};
DE            EC=1.1.1.3 {ECO:0000256|RuleBase:RU000579};
GN   ORFNames=SAMN05421760_101699 {ECO:0000313|EMBL:SIS45075.1};
OS   Neptunomonas antarctica.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Oceanospirillales;
OC   Oceanospirillaceae; Neptunomonas.
OX   NCBI_TaxID=619304 {ECO:0000313|EMBL:SIS45075.1, ECO:0000313|Proteomes:UP000185999};
RN   [1] {ECO:0000313|Proteomes:UP000185999}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 22306 {ECO:0000313|Proteomes:UP000185999};
RA   Varghese N., Submissions S.;
RL   Submitted (JAN-2017) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-homoserine + NADP(+) = H(+) + L-aspartate 4-
CC         semialdehyde + NADPH; Xref=Rhea:RHEA:15761, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:57476, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC         ChEBI:CHEBI:537519; EC=1.1.1.3;
CC         Evidence={ECO:0000256|RuleBase:RU000579};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de
CC       novo pathway; L-homoserine from L-aspartate: step 3/3.
CC       {ECO:0000256|RuleBase:RU000579}.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-
CC       threonine from L-aspartate: step 3/5.
CC       {ECO:0000256|RuleBase:RU000579}.
CC   -!- SIMILARITY: Belongs to the homoserine dehydrogenase family.
CC       {ECO:0000256|RuleBase:RU004171}.
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DR   EMBL; FTOE01000001; SIS45075.1; -; Genomic_DNA.
DR   RefSeq; WP_054342864.1; NZ_LJSI01000053.1.
DR   OrthoDB; 1464088at2; -.
DR   UniPathway; UPA00050; UER00063.
DR   UniPathway; UPA00051; UER00465.
DR   Proteomes; UP000185999; Unassembled WGS sequence.
DR   GO; GO:0004412; F:homoserine dehydrogenase activity; IEA:UniProtKB-EC.
DR   GO; GO:0050661; F:NADP binding; IEA:InterPro.
DR   GO; GO:0009097; P:isoleucine biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0009088; P:threonine biosynthetic process; IEA:UniProtKB-UniPathway.
DR   InterPro; IPR002912; ACT_dom.
DR   InterPro; IPR005106; Asp/hSer_DH_NAD-bd.
DR   InterPro; IPR016204; HDH.
DR   InterPro; IPR001342; HDH_cat.
DR   InterPro; IPR019811; HDH_CS.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   Pfam; PF01842; ACT; 1.
DR   Pfam; PF00742; Homoserine_dh; 1.
DR   Pfam; PF03447; NAD_binding_3; 1.
DR   PIRSF; PIRSF000098; Homoser_dehydrog; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   PROSITE; PS51671; ACT; 1.
DR   PROSITE; PS01042; HOMOSER_DHGENASE; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis {ECO:0000256|RuleBase:RU000579};
KW   Branched-chain amino acid biosynthesis
KW   {ECO:0000256|RuleBase:RU000579};
KW   Complete proteome {ECO:0000313|Proteomes:UP000185999};
KW   Isoleucine biosynthesis {ECO:0000256|RuleBase:RU000579};
KW   Methionine biosynthesis {ECO:0000256|RuleBase:RU000579};
KW   NADP {ECO:0000256|PIRSR:PIRSR000098-2, ECO:0000256|RuleBase:RU000579};
KW   Oxidoreductase {ECO:0000256|RuleBase:RU000579};
KW   Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT   DOMAIN      353    431       ACT. {ECO:0000259|PROSITE:PS51671}.
FT   NP_BIND       9     16       NADP. {ECO:0000256|PIRSR:PIRSR000098-2}.
FT   ACT_SITE    203    203       Proton donor. {ECO:0000256|PIRSR:
FT                                PIRSR000098-1}.
FT   BINDING     103    103       NADP. {ECO:0000256|PIRSR:PIRSR000098-2}.
FT   BINDING     188    188       Substrate. {ECO:0000256|PIRSR:
FT                                PIRSR000098-2}.
SQ   SEQUENCE   431 AA;  46500 MW;  D3E605EB414DB751 CRC64;
     MKPVKVGICG LGTVGSGTFN VLHRNADEIS RRAGRRIIVE QVGTRRDHPN CDTKGTQVTR
     DIFDVATNPE IDIVVELIGG YDIARELVMT AIENGKHVVT ANKALIAVHG NEIFAAAQKH
     NVMVAFEASV AGSIPIIKAI REGLSANKIE WLAGIINGTG NFILTEMRDK GRDFADVLAE
     AQALGYAETD PTFDVEGIDA AHKLTILASI AFGVPLQFDK AYTEGISKIT TEDVQYAEEL
     GYRIKHLGFS RRTESGIELR VHPTLIPATA LLANVNGVMN AILVDGDAAG QTLYYGAGAG
     AEPTASSVVA DVIDVVRTLT GDRDNRVPHL AFQPTELSDK PILPMNETET GYYLRLQAAE
     KPGVLASITK ILGDNGINIE AIVQKETAEE QVPVILLTQR VKEWKMNEAI AAIEALDAII
     GQVTRIRVEH L
//
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