ID   SDHL_DICDI              Reviewed;         350 AA.
AC   Q86B06; Q558U7;
DT   08-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 115.
DE   RecName: Full=L-serine dehydratase;
DE            Short=SDH;
DE            EC=4.3.1.17;
DE   AltName: Full=L-serine deaminase;
GN   Name=sds; ORFNames=DDB_G0272787;
OS   Dictyostelium discoideum (Slime mold).
OC   Eukaryota; Amoebozoa; Evosea; Eumycetozoa; Dictyostelia; Dictyosteliales;
OC   Dictyosteliaceae; Dictyostelium.
OX   NCBI_TaxID=44689;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AX4;
RX   PubMed=12097910; DOI=10.1038/nature00847;
RA   Gloeckner G., Eichinger L., Szafranski K., Pachebat J.A., Bankier A.T.,
RA   Dear P.H., Lehmann R., Baumgart C., Parra G., Abril J.F., Guigo R.,
RA   Kumpf K., Tunggal B., Cox E.C., Quail M.A., Platzer M., Rosenthal A.,
RA   Noegel A.A.;
RT   "Sequence and analysis of chromosome 2 of Dictyostelium discoideum.";
RL   Nature 418:79-85(2002).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AX4;
RX   PubMed=15875012; DOI=10.1038/nature03481;
RA   Eichinger L., Pachebat J.A., Gloeckner G., Rajandream M.A., Sucgang R.,
RA   Berriman M., Song J., Olsen R., Szafranski K., Xu Q., Tunggal B.,
RA   Kummerfeld S., Madera M., Konfortov B.A., Rivero F., Bankier A.T.,
RA   Lehmann R., Hamlin N., Davies R., Gaudet P., Fey P., Pilcher K., Chen G.,
RA   Saunders D., Sodergren E.J., Davis P., Kerhornou A., Nie X., Hall N.,
RA   Anjard C., Hemphill L., Bason N., Farbrother P., Desany B., Just E.,
RA   Morio T., Rost R., Churcher C.M., Cooper J., Haydock S., van Driessche N.,
RA   Cronin A., Goodhead I., Muzny D.M., Mourier T., Pain A., Lu M., Harper D.,
RA   Lindsay R., Hauser H., James K.D., Quiles M., Madan Babu M., Saito T.,
RA   Buchrieser C., Wardroper A., Felder M., Thangavelu M., Johnson D.,
RA   Knights A., Loulseged H., Mungall K.L., Oliver K., Price C., Quail M.A.,
RA   Urushihara H., Hernandez J., Rabbinowitsch E., Steffen D., Sanders M.,
RA   Ma J., Kohara Y., Sharp S., Simmonds M.N., Spiegler S., Tivey A.,
RA   Sugano S., White B., Walker D., Woodward J.R., Winckler T., Tanaka Y.,
RA   Shaulsky G., Schleicher M., Weinstock G.M., Rosenthal A., Cox E.C.,
RA   Chisholm R.L., Gibbs R.A., Loomis W.F., Platzer M., Kay R.R.,
RA   Williams J.G., Dear P.H., Noegel A.A., Barrell B.G., Kuspa A.;
RT   "The genome of the social amoeba Dictyostelium discoideum.";
RL   Nature 435:43-57(2005).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-serine = NH4(+) + pyruvate; Xref=Rhea:RHEA:19169,
CC         ChEBI:CHEBI:15361, ChEBI:CHEBI:28938, ChEBI:CHEBI:33384; EC=4.3.1.17;
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000250};
CC   -!- PATHWAY: Carbohydrate biosynthesis; gluconeogenesis.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the serine/threonine dehydratase family.
CC       {ECO:0000305}.
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DR   EMBL; AAFI02000008; EAL71031.1; -; Genomic_DNA.
DR   RefSeq; XP_644969.1; XM_639877.1.
DR   AlphaFoldDB; Q86B06; -.
DR   SMR; Q86B06; -.
DR   STRING; 44689.DDB0230212; -.
DR   PaxDb; Q86B06; -.
DR   EnsemblProtists; EAL71031; EAL71031; DDB_G0272787.
DR   GeneID; 8618646; -.
DR   KEGG; ddi:DDB_G0272787; -.
DR   dictyBase; DDB_G0272787; sds.
DR   eggNOG; KOG1250; Eukaryota.
DR   HOGENOM; CLU_021152_3_0_1; -.
DR   InParanoid; Q86B06; -.
DR   OMA; DALQPCG; -.
DR   PhylomeDB; Q86B06; -.
DR   Reactome; R-DDI-8849175; Threonine catabolism.
DR   UniPathway; UPA00138; -.
DR   PRO; PR:Q86B06; -.
DR   Proteomes; UP000002195; Chromosome 2.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003941; F:L-serine ammonia-lyase activity; ISS:dictyBase.
DR   GO; GO:0004794; F:L-threonine ammonia-lyase activity; IBA:GO_Central.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR   GO; GO:0006094; P:gluconeogenesis; IEA:UniProtKB-UniPathway.
DR   GO; GO:0009097; P:isoleucine biosynthetic process; IBA:GO_Central.
DR   GO; GO:0006565; P:L-serine catabolic process; IBA:GO_Central.
DR   GO; GO:0006567; P:threonine catabolic process; IBA:GO_Central.
DR   Gene3D; 3.40.50.1100; -; 2.
DR   InterPro; IPR001926; PLP-dep.
DR   InterPro; IPR000634; Ser/Thr_deHydtase_PyrdxlP-BS.
DR   InterPro; IPR036052; Trypto_synt_PLP_dependent.
DR   Pfam; PF00291; PALP; 1.
DR   SUPFAM; SSF53686; SSF53686; 1.
DR   PROSITE; PS00165; DEHYDRATASE_SER_THR; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Gluconeogenesis; Lyase; Pyridoxal phosphate; Reference proteome.
FT   CHAIN           1..350
FT                   /note="L-serine dehydratase"
FT                   /id="PRO_0000327858"
FT   MOD_RES         62
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   350 AA;  38457 MW;  8BDB64D013FB6970 CRC64;
     MGLKTTISPD SSFDKIINTK TSPPLHINSP MLESLALSKL FKEENAKVWM KVDALQPSGS
     FKIRGVGLLC NQLLKEKKSK NEEAHFICSS GGNAGKSVAY AGRKLNVKTT IVLPNTIPEA
     TIEKIKDEGA NVIVHGTIWD EANTFALELA EKEGCTDCYI HPFDHPLLWE GHSTMIDEIY
     QDVQNGVCEK PDVILFSVGG GGMMIGILQG LDRYGWNDIP IVTVETVGSH SFWKSFQEKQ
     LTKLDVSEVT SVIKTLSTRS VCSEAWEISK RFNIKPILVT DRDAVDACLK FVDDERILVE
     PSCGATLSVL YSKKLSTLLD INSKNILTIV CGGNGTSILQ LNDLLQTLPK