ID Q98BB2_RHILO Unreviewed; 396 AA.
AC Q98BB2;
DT 01-OCT-2001, integrated into UniProtKB/TrEMBL.
DT 01-OCT-2001, sequence version 1.
DT 27-MAR-2024, entry version 117.
DE RecName: Full=O-succinylhomoserine sulfhydrylase {ECO:0000256|HAMAP-Rule:MF_02056};
DE Short=OSH sulfhydrylase {ECO:0000256|HAMAP-Rule:MF_02056};
DE Short=OSHS sulfhydrylase {ECO:0000256|HAMAP-Rule:MF_02056};
DE EC=2.5.1.- {ECO:0000256|HAMAP-Rule:MF_02056};
GN Name=metZ {ECO:0000256|HAMAP-Rule:MF_02056};
GN OrderedLocusNames=mll5651 {ECO:0000313|EMBL:BAB52060.1};
OS Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099)
OS (Mesorhizobium loti (strain MAFF 303099)).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Phyllobacteriaceae; Mesorhizobium.
OX NCBI_TaxID=266835 {ECO:0000313|EMBL:BAB52060.1, ECO:0000313|Proteomes:UP000000552};
RN [1] {ECO:0000313|EMBL:BAB52060.1, ECO:0000313|Proteomes:UP000000552}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=LMG 29417 / CECT 9101 / MAFF 303099
RC {ECO:0000313|Proteomes:UP000000552};
RX PubMed=11214968; DOI=10.1093/dnares/7.6.331;
RA Kaneko T., Nakamura Y., Sato S., Asamizu E., Kato T., Sasamoto S.,
RA Watanabe A., Idesawa K., Ishikawa A., Kawashima K., Kimura T., Kishida Y.,
RA Kiyokawa C., Kohara M., Matsumoto M., Matsuno A., Mochizuki Y.,
RA Nakayama S., Nakazaki N., Shimpo S., Sugimoto M., Takeuchi C., Yamada M.,
RA Tabata S.;
RT "Complete genome structure of the nitrogen-fixing symbiotic bacterium
RT Mesorhizobium loti.";
RL DNA Res. 7:331-338(2000).
CC -!- FUNCTION: Catalyzes the formation of L-homocysteine from O-succinyl-L-
CC homoserine (OSHS) and hydrogen sulfide. {ECO:0000256|HAMAP-
CC Rule:MF_02056}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=hydrogen sulfide + O-succinyl-L-homoserine = L-homocysteine +
CC succinate; Xref=Rhea:RHEA:27826, ChEBI:CHEBI:29919,
CC ChEBI:CHEBI:30031, ChEBI:CHEBI:57661, ChEBI:CHEBI:58199;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_02056};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|HAMAP-Rule:MF_02056, ECO:0000256|RuleBase:RU362118};
CC -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de novo
CC pathway; L-homocysteine from O-succinyl-L-homoserine: step 1/1.
CC {ECO:0000256|HAMAP-Rule:MF_02056}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_02056}.
CC -!- SIMILARITY: Belongs to the trans-sulfuration enzymes family. MetZ
CC subfamily. {ECO:0000256|HAMAP-Rule:MF_02056}.
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DR EMBL; BA000012; BAB52060.1; -; Genomic_DNA.
DR RefSeq; WP_010913398.1; NC_002678.2.
DR AlphaFoldDB; Q98BB2; -.
DR KEGG; mlo:mll5651; -.
DR PATRIC; fig|266835.9.peg.4492; -.
DR eggNOG; COG0626; Bacteria.
DR HOGENOM; CLU_018986_2_0_5; -.
DR UniPathway; UPA00051; UER00449.
DR Proteomes; UP000000552; Chromosome.
DR GO; GO:0030170; F:pyridoxal phosphate binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016765; F:transferase activity, transferring alkyl or aryl (other than methyl) groups; IEA:UniProtKB-UniRule.
DR GO; GO:0071266; P:'de novo' L-methionine biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0071268; P:homocysteine biosynthetic process; IEA:InterPro.
DR GO; GO:0019346; P:transsulfuration; IEA:InterPro.
DR CDD; cd00614; CGS_like; 1.
DR Gene3D; 3.90.1150.10; Aspartate Aminotransferase, domain 1; 1.
DR Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 1.
DR HAMAP; MF_02056; MetZ; 1.
DR InterPro; IPR000277; Cys/Met-Metab_PyrdxlP-dep_enz.
DR InterPro; IPR006234; O-succ-hSer_sulfhydrylase.
DR InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR NCBIfam; TIGR01325; O_suc_HS_sulf; 1.
DR PANTHER; PTHR11808:SF90; CYSTATHIONINE GAMMA-LYASE; 1.
DR PANTHER; PTHR11808; TRANS-SULFURATION ENZYME FAMILY MEMBER; 1.
DR Pfam; PF01053; Cys_Met_Meta_PP; 1.
DR PIRSF; PIRSF001434; CGS; 1.
DR SUPFAM; SSF53383; PLP-dependent transferases; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|HAMAP-Rule:MF_02056};
KW Methionine biosynthesis {ECO:0000256|HAMAP-Rule:MF_02056};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_02056}; Transferase {ECO:0000256|HAMAP-Rule:MF_02056}.
FT MOD_RES 210
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02056,
FT ECO:0000256|PIRSR:PIRSR001434-2"
SQ SEQUENCE 396 AA; 42768 MW; B24EB67C7A7AE4C2 CRC64;
MSNKKRNWKP QTALVHSGTL RSGFGETSEA MYLTQGYVYQ TAQAAEARFK GEEPGFIYSR
YANPTVDMFE KRMCALEGAE DARATASGMA AVTAALLCSV KTGDHIVAAR ALFGSCRWVV
ETLAPRYGIE ATLVDGTDIA NWEKVVRPNT KLFFLESPTN PTLEVVDIAA VAALANSIGA
RLVVDNVFAT PLQQKPLQLG AHIVVYSATK HIDGQGRCLG GVILSDKKWI DENLHDYFRH
TGPSLSPFNA WTLLKGLETL PLRVRQQTES AGKIADFLAE QPQIARVIYP GRADHPQAEI
VKKQMSGGST LICLDVKGGK QAAFALQNAL DIVLISNNLG DAKSLITHPA TTTHKNLSDE
ARAELGIGPG TLRLSVGLED TDDLLEDIAQ ALKAAK
//