ID F4XWY9_9CYAN Unreviewed; 437 AA.
AC F4XWY9;
DT 28-JUN-2011, integrated into UniProtKB/TrEMBL.
DT 28-JUN-2011, sequence version 1.
DT 24-JAN-2024, entry version 52.
DE RecName: Full=Homoserine dehydrogenase {ECO:0000256|ARBA:ARBA00013213, ECO:0000256|RuleBase:RU000579};
DE EC=1.1.1.3 {ECO:0000256|ARBA:ARBA00013213, ECO:0000256|RuleBase:RU000579};
GN ORFNames=LYNGBM3L_45700 {ECO:0000313|EMBL:EGJ30874.1};
OS Moorena producens 3L.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Oscillatoriales; Oscillatoriaceae; Moorena.
OX NCBI_TaxID=489825 {ECO:0000313|EMBL:EGJ30874.1, ECO:0000313|Proteomes:UP000003959};
RN [1] {ECO:0000313|Proteomes:UP000003959}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=3L {ECO:0000313|Proteomes:UP000003959};
RX PubMed=21555588; DOI=10.1073/pnas.1101137108;
RA Jones A.C., Monroe E.A., Podell S., Hess W.R., Klages S., Esquenazi E.,
RA Niessen S., Hoover H., Rothmann M., Lasken R.S., Yates J.R.III.,
RA Reinhardt R., Kube M., Burkart M.D., Allen E.E., Dorrestein P.C.,
RA Gerwick W.H., Gerwick L.;
RT "Genomic insights into the physiology and ecology of the marine filamentous
RT cyanobacterium Lyngbya majuscula.";
RL Proc. Natl. Acad. Sci. U.S.A. 108:8815-8820(2011).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-homoserine + NAD(+) = H(+) + L-aspartate 4-semialdehyde +
CC NADH; Xref=Rhea:RHEA:15757, ChEBI:CHEBI:15378, ChEBI:CHEBI:57476,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:537519; EC=1.1.1.3;
CC Evidence={ECO:0000256|ARBA:ARBA00001406};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-homoserine + NADP(+) = H(+) + L-aspartate 4-semialdehyde +
CC NADPH; Xref=Rhea:RHEA:15761, ChEBI:CHEBI:15378, ChEBI:CHEBI:57476,
CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349, ChEBI:CHEBI:537519; EC=1.1.1.3;
CC Evidence={ECO:0000256|RuleBase:RU000579};
CC -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de novo
CC pathway; L-homoserine from L-aspartate: step 3/3.
CC {ECO:0000256|RuleBase:RU000579}.
CC -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC from L-aspartate: step 3/5. {ECO:0000256|RuleBase:RU000579}.
CC -!- SIMILARITY: Belongs to the homoserine dehydrogenase family.
CC {ECO:0000256|ARBA:ARBA00006753, ECO:0000256|RuleBase:RU004171}.
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DR EMBL; GL890945; EGJ30874.1; -; Genomic_DNA.
DR RefSeq; WP_009148878.1; NZ_MKZR01000001.1.
DR AlphaFoldDB; F4XWY9; -.
DR eggNOG; COG0460; Bacteria.
DR HOGENOM; CLU_009116_1_0_3; -.
DR OrthoDB; 9808167at2; -.
DR UniPathway; UPA00050; UER00063.
DR UniPathway; UPA00051; UER00465.
DR Proteomes; UP000003959; 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 CDD; cd04881; ACT_HSDH-Hom; 1.
DR Gene3D; 3.30.70.260; -; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR InterPro; IPR045865; ACT-like_dom_sf.
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 PANTHER; PTHR43331; HOMOSERINE DEHYDROGENASE; 1.
DR PANTHER; PTHR43331:SF1; HOMOSERINE DEHYDROGENASE; 1.
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; SSF55021; ACT-like; 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; 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 {ECO:0000256|RuleBase:RU000579};
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|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU000579};
KW Threonine biosynthesis {ECO:0000256|RuleBase:RU000579}.
FT DOMAIN 361..435
FT /note="ACT"
FT /evidence="ECO:0000259|PROSITE:PS51671"
FT ACT_SITE 202
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-1"
FT BINDING 8..15
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 102
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
FT BINDING 187
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000098-2"
SQ SEQUENCE 437 AA; 46438 MW; AB3217B3F0F2E0D4 CRC64;
MVFKIALLGL GTVGTGTAKI LLDTAGRNPL LQGIEIAKVG VRSLDKPREV QLPLELMTTD
LEEIVTNPEI DIVVELLGGL EPARSLMLKA IAQGKHIVTA NKAVISRYGD EIFAAAEEAG
VYVMLEAAVG GGIPVIQPLK QALGVNRIHS ITGIVNGTTN YILTRMQREG GEFADILADA
QRLGYAEADP TADVDGLDAA DKIAILASIA FAGRIKLSDV HCEGIRQVSA ADIVYAEKLG
FVIKLLAVAK RDPMATGDNP KSETIQLRVH PTLVAKTHPL ASINDVYNGI VVEGEPIGQV
IFSGPGAGSG PTASAVVSDI LNIAAVLKTD LEAKQLHPLL SCAHQHYCNV APISDLVTRF
YARFLSQDHP GVIGHLGTSF GKHHVSLESV VQIGFQGNLA EIVVVTHDVR EGNFREALDE
IRTLEAVDSI PSILRVL
//
