ID D5RI78_9PROT Unreviewed; 469 AA.
AC D5RI78;
DT 13-JUL-2010, integrated into UniProtKB/TrEMBL.
DT 13-JUL-2010, sequence version 1.
DT 27-MAR-2024, entry version 40.
DE RecName: Full=Threonine synthase {ECO:0000256|ARBA:ARBA00018679};
DE EC=4.2.3.1 {ECO:0000256|ARBA:ARBA00013028};
GN Name=thrC {ECO:0000313|EMBL:EFH13013.1};
GN ORFNames=HMPREF0731_0788 {ECO:0000313|EMBL:EFH13013.1};
OS Pseudoroseomonas cervicalis ATCC 49957.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Acetobacteraceae; Pseudoroseomonas.
OX NCBI_TaxID=525371 {ECO:0000313|EMBL:EFH13013.1, ECO:0000313|Proteomes:UP000005324};
RN [1] {ECO:0000313|EMBL:EFH13013.1, ECO:0000313|Proteomes:UP000005324}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49957 {ECO:0000313|EMBL:EFH13013.1,
RC ECO:0000313|Proteomes:UP000005324};
RA Qin X., Bachman B., Battles P., Bell A., Bess C., Bickham C., Chaboub L.,
RA Chen D., Coyle M., Deiros D.R., Dinh H., Forbes L., Fowler G.,
RA Francisco L., Fu Q., Gubbala S., Hale W., Han Y., Hemphill L.,
RA Highlander S.K., Hirani K., Hogues M., Jackson L., Jakkamsetti A.,
RA Javaid M., Jiang H., Korchina V., Kovar C., Lara F., Lee S., Mata R.,
RA Mathew T., Moen C., Morales K., Munidasa M., Nazareth L., Ngo R.,
RA Nguyen L., Okwuonu G., Ongeri F., Patil S., Petrosino J., Pham C., Pham P.,
RA Pu L.-L., Puazo M., Raj R., Reid J., Rouhana J., Saada N., Shang Y.,
RA Simmons D., Thornton R., Warren J., Weissenberger G., Zhang J., Zhang L.,
RA Zhou C., Zhu D., Muzny D., Worley K., Gibbs R.;
RL Submitted (APR-2010) to the EMBL/GenBank/DDBJ databases.
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:EFH13013.1}.
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DR EMBL; ADVL01000133; EFH13013.1; -; Genomic_DNA.
DR RefSeq; WP_007003847.1; NZ_GG770778.1.
DR AlphaFoldDB; D5RI78; -.
DR HOGENOM; CLU_015170_1_0_5; -.
DR OrthoDB; 9763107at2; -.
DR UniPathway; UPA00050; UER00065.
DR Proteomes; UP000005324; 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; PTHR42690; THREONINE SYNTHASE FAMILY MEMBER; 1.
DR PANTHER; PTHR42690:SF1; THREONINE SYNTHASE-LIKE 2; 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:0000256|ARBA:ARBA00023239, ECO:0000313|EMBL:EFH13013.1};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898,
KW ECO:0000256|PIRSR:PIRSR604450-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000005324};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697}.
FT DOMAIN 2..80
FT /note="Threonine synthase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF14821"
FT DOMAIN 101..327
FT /note="Tryptophan synthase beta chain-like PALP"
FT /evidence="ECO:0000259|Pfam:PF00291"
FT MOD_RES 112
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|PIRSR:PIRSR604450-51"
SQ SEQUENCE 469 AA; 51224 MW; 95B00AC97DFB867C CRC64;
MRYVSTRGQA PARDFEGVLL AGLAEDGGLF LPETWPLLSA AEWRALRGLP YAELSARLMT
LFAGETIPLE TMRQLTGRAY AGFGHAATAP LVQLDPRTFS LELFHGPTLA FKDMAMQLLG
QLFDHVLTKR GERVTIVGAT SGDTGSAAIE ACADRAAIDV VILHPEGRTS EVQRRQMTTV
LSPNIHNIAV QGSFDDCQDL VKAMFNDAPF RQEMRLSAVN SINWARIAAQ VPYYVYAALA
LGAPDRPVAV SVPTGNFGNV LAAWVARRMG LPIERLIIGA NRNDILARFL AGNDMSMQKV
EPSLSPSMDI QVSSNFERLL FELLGRDARA TAEIMQRFRA EGRMPVPDAA WRKATETFHG
FALSDDGILE EIRRLHRESA YLADPHTAIG TAAARAHAPQ DPGIPVIVAA TAHPAKFPDA
VEQATGFRPP LPARLADLYE RRERYSVLSG GLEEIEAAVR AHVRRNVTA
//
