ID M5DZ32_9FIRM Unreviewed; 498 AA.
AC M5DZ32;
DT 29-MAY-2013, integrated into UniProtKB/TrEMBL.
DT 29-MAY-2013, sequence version 1.
DT 24-JAN-2024, entry version 41.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN ORFNames=HSACCH_00695 {ECO:0000313|EMBL:CCU78544.1};
OS Halanaerobium saccharolyticum subsp. saccharolyticum DSM 6643.
OC Bacteria; Bacillota; Clostridia; Halanaerobiales; Halanaerobiaceae;
OC Halanaerobium.
OX NCBI_TaxID=1293054 {ECO:0000313|EMBL:CCU78544.1, ECO:0000313|Proteomes:UP000012063};
RN [1] {ECO:0000313|Proteomes:UP000012063}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 6643 {ECO:0000313|Proteomes:UP000012063};
RX PubMed=23640197; DOI=10.1128/genomea.00187-13;
RA Kivisto A., Larjo A., Ciranna A., Santala V., Roos C., Karp M.;
RT "Genome Sequence of Halanaerobium saccharolyticum subsp. saccharolyticum
RT Strain DSM 6643T, a Halophilic Hydrogen-Producing Bacterium.";
RL Genome Announc. 1:217-225(2013).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + O-phospho-L-homoserine = L-threonine + phosphate;
CC Xref=Rhea:RHEA:10840, ChEBI:CHEBI:15377, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:57590, ChEBI:CHEBI:57926; EC=4.2.3.1;
CC Evidence={ECO:0000256|ARBA:ARBA00000051};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|PIRSR:PIRSR604450-51};
CC -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC from L-aspartate: step 5/5. {ECO:0000256|ARBA:ARBA00004979}.
CC -!- SIMILARITY: Belongs to the threonine synthase family.
CC {ECO:0000256|ARBA:ARBA00005517}.
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:CCU78544.1}.
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DR EMBL; CAUI01000005; CCU78544.1; -; Genomic_DNA.
DR RefSeq; WP_005487875.1; NZ_CAUI01000005.1.
DR AlphaFoldDB; M5DZ32; -.
DR STRING; 1293054.HSACCH_00695; -.
DR eggNOG; COG0498; Bacteria.
DR InParanoid; M5DZ32; -.
DR OrthoDB; 9763107at2; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000012063; Unassembled WGS sequence.
DR GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR GO; GO:0004795; F:threonine synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0009088; P:threonine biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd01560; Thr-synth_2; 1.
DR Gene3D; 3.40.50.1100; -; 2.
DR Gene3D; 3.90.1380.10; Threonine synthase, N-terminal domain; 1.
DR InterPro; IPR000634; Ser/Thr_deHydtase_PyrdxlP-BS.
DR InterPro; IPR029144; Thr_synth_N.
DR InterPro; IPR037158; Thr_synth_N_sf.
DR InterPro; IPR004450; Thr_synthase-like.
DR InterPro; IPR001926; TrpB-like_PALP.
DR InterPro; IPR036052; TrpB-like_PALP_sf.
DR NCBIfam; TIGR00260; thrC; 1.
DR PANTHER; PTHR43515; THREONINE SYNTHASE-LIKE 1; 1.
DR PANTHER; PTHR43515:SF1; THREONINE SYNTHASE-LIKE 1; 1.
DR Pfam; PF00291; PALP; 1.
DR Pfam; PF14821; Thr_synth_N; 1.
DR SUPFAM; SSF53686; Tryptophan synthase beta subunit-like PLP-dependent enzymes; 1.
DR PROSITE; PS00165; DEHYDRATASE_SER_THR; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605};
KW Lyase {ECO:0000313|EMBL:CCU78544.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000012063};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697}.
FT DOMAIN 2..79
FT /note="Threonine synthase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14821"
FT DOMAIN 87..345
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 113
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604450-51"
SQ SEQUENCE 498 AA; 56960 MW; FED4962F0C9B1E14 CRC64;
MEYISTRNNY KKVNSAAAIS LGMVPEGGLF VPKQITEFTT EKIMAMKNKD YQELAVWIFK
EFLSDFTEAE IKESVAEAYN SDNFPVEEKT PLVKLNDNTY ILELWHGPTA AFKDMALQIL
PQLLLKSVEK LEIKNEIVIL VATSGDTGKA ALEGFKDLEG VKIIVFYPED GVSRVQEDQM
KTTTGNNTAV VSLKGNFDDC QTAVKEIFAD KDFKAKMENN NYQFSSANSI NWGRLLPQIV
YYFKAYFDTI KQNGIKAGEK INITVPTGNF GNILAGYYAY KMGLPVNKFI CASNDNKVLT
DFFETGVYDI ERDFIKTISP SMDILISSNL ERFLFEMTDH DSQKICNWYQ ELKQNNKFEI
DQQTKEKMQN LFSGHYCTEA EAKTQIKSTY DKFNYLLDPH TAVAVNSTKK YRKQNHDLKT
AVITSTANPY KFSRAVLESL KEEKLSKDEY RIIEELEELT AVEIHRGIKD LENKQSRHDH
SSNKDSLKEK ITEILELN
//
