ID A0A261GIN6_9GAMM Unreviewed; 862 AA.
AC A0A261GIN6;
DT 20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT 20-DEC-2017, sequence version 1.
DT 24-JAN-2024, entry version 28.
DE RecName: Full=Aconitate hydratase B {ECO:0000256|ARBA:ARBA00019379, ECO:0000256|PIRNR:PIRNR036687};
DE EC=4.2.1.3 {ECO:0000256|ARBA:ARBA00012926, ECO:0000256|PIRNR:PIRNR036687};
DE EC=4.2.1.99 {ECO:0000256|ARBA:ARBA00013250, ECO:0000256|PIRNR:PIRNR036687};
DE AltName: Full=2-methylisocitrate dehydratase {ECO:0000256|PIRNR:PIRNR036687};
GN ORFNames=BTA51_21890 {ECO:0000313|EMBL:OZG71294.1};
OS Hahella sp. CCB-MM4.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Hahellaceae; Hahella.
OX NCBI_TaxID=1926491 {ECO:0000313|EMBL:OZG71294.1, ECO:0000313|Proteomes:UP000215632};
RN [1] {ECO:0000313|EMBL:OZG71294.1, ECO:0000313|Proteomes:UP000215632}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCB-MM4 {ECO:0000313|EMBL:OZG71294.1,
RC ECO:0000313|Proteomes:UP000215632};
RA Sam K.-K., Lau N.-S., Dinesh B., Go F., Amirul A.-A.A.;
RT "Genome sequence of Hahella sp. CCB-MM4 and discovery of its potential
RT applications.";
RL Submitted (DEC-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2S,3R)-3-hydroxybutane-1,2,3-tricarboxylate = 2-methyl-cis-
CC aconitate + H2O; Xref=Rhea:RHEA:17941, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:57429, ChEBI:CHEBI:57872; EC=4.2.1.99;
CC Evidence={ECO:0000256|ARBA:ARBA00000118,
CC ECO:0000256|PIRNR:PIRNR036687};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=citrate = D-threo-isocitrate; Xref=Rhea:RHEA:10336,
CC ChEBI:CHEBI:15562, ChEBI:CHEBI:16947; EC=4.2.1.3;
CC Evidence={ECO:0000256|ARBA:ARBA00023501,
CC ECO:0000256|PIRNR:PIRNR036687};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|PIRSR:PIRSR036687-1};
CC Note=Binds 1 [4Fe-4S] cluster per subunit.
CC {ECO:0000256|PIRSR:PIRSR036687-1};
CC -!- PATHWAY: Carbohydrate metabolism; tricarboxylic acid cycle; isocitrate
CC from oxaloacetate: step 2/2. {ECO:0000256|ARBA:ARBA00004717,
CC ECO:0000256|PIRNR:PIRNR036687}.
CC -!- PATHWAY: Organic acid metabolism; propanoate degradation.
CC {ECO:0000256|ARBA:ARBA00005026}.
CC -!- SIMILARITY: Belongs to the aconitase/IPM isomerase family.
CC {ECO:0000256|ARBA:ARBA00007185, ECO:0000256|PIRNR:PIRNR036687}.
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:OZG71294.1}.
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DR EMBL; MRYI01000015; OZG71294.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A261GIN6; -.
DR OrthoDB; 9758061at2; -.
DR UniPathway; UPA00223; UER00718.
DR UniPathway; UPA00946; -.
DR Proteomes; UP000215632; Unassembled WGS sequence.
DR GO; GO:0005829; C:cytosol; IEA:InterPro.
DR GO; GO:0047456; F:2-methylisocitrate dehydratase activity; IEA:UniProtKB-EC.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0003994; F:aconitate hydratase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniPathway.
DR CDD; cd01581; AcnB; 1.
DR CDD; cd01576; AcnB_Swivel; 1.
DR Gene3D; 3.40.1060.10; Aconitase, Domain 2; 1.
DR Gene3D; 3.30.499.10; Aconitase, domain 3; 2.
DR Gene3D; 3.20.19.10; Aconitase, domain 4; 1.
DR Gene3D; 1.25.40.310; Aconitate B, HEAT-like domain; 1.
DR InterPro; IPR015931; Acnase/IPM_dHydase_lsu_aba_1/3.
DR InterPro; IPR001030; Acoase/IPM_deHydtase_lsu_aba.
DR InterPro; IPR015928; Aconitase/3IPM_dehydase_swvl.
DR InterPro; IPR018136; Aconitase_4Fe-4S_BS.
DR InterPro; IPR036008; Aconitase_4Fe-4S_dom.
DR InterPro; IPR004406; Aconitase_B.
DR InterPro; IPR015933; Aconitase_B_HEAT-like_dom.
DR InterPro; IPR036288; Aconitase_B_HEAT-like_dom_sf.
DR InterPro; IPR015929; Aconitase_B_swivel.
DR InterPro; IPR015932; Aconitase_dom2.
DR NCBIfam; TIGR00117; acnB; 1.
DR PANTHER; PTHR43160; ACONITATE HYDRATASE B; 1.
DR PANTHER; PTHR43160:SF4; ACONITATE HYDRATASE B; 1.
DR Pfam; PF00330; Aconitase; 1.
DR Pfam; PF06434; Aconitase_2_N; 1.
DR Pfam; PF11791; Aconitase_B_N; 1.
DR PIRSF; PIRSF036687; AcnB; 1.
DR SUPFAM; SSF74778; Aconitase B, N-terminal domain; 1.
DR SUPFAM; SSF53732; Aconitase iron-sulfur domain; 1.
DR SUPFAM; SSF52016; LeuD/IlvD-like; 1.
DR PROSITE; PS00450; ACONITASE_1; 1.
DR PROSITE; PS01244; ACONITASE_2; 1.
PE 3: Inferred from homology;
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|PIRSR:PIRSR036687-1};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR036687-1};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|PIRSR:PIRSR036687-
KW 1}; Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|PIRNR:PIRNR036687};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR036687-1};
KW Reference proteome {ECO:0000313|Proteomes:UP000215632};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884};
KW Tricarboxylic acid cycle {ECO:0000256|ARBA:ARBA00022532,
KW ECO:0000256|PIRNR:PIRNR036687}.
FT DOMAIN 4..156
FT /note="Aconitase B HEAT-like"
FT /evidence="ECO:0000259|Pfam:PF11791"
FT DOMAIN 168..381
FT /note="Aconitase B swivel"
FT /evidence="ECO:0000259|Pfam:PF06434"
FT DOMAIN 463..817
FT /note="Aconitase/3-isopropylmalate dehydratase large
FT subunit alpha/beta/alpha"
FT /evidence="ECO:0000259|Pfam:PF00330"
FT BINDING 191
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 244..246
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 413..415
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 497
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 709
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-1"
FT BINDING 768
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-1"
FT BINDING 771
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-1"
FT BINDING 790
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 795
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
SQ SEQUENCE 862 AA; 93314 MW; 43CAC0921A93CEBE CRC64;
MLEAYRKHVE ERAAEGVPPK PLNAEQAAGL VELLKNPPAG EEQTLLDLLE NRVPPGVDEA
AYVKAGFLSA IVKDEASSPL ISKEKAVQLL GMMQGGYNIA TLVELLDNSE LSSLAAEELK
HTLLVFDAFH DIKEKADAGN ANAKAVLDSW ANAEWFTKRK TVQESIKVAV FKVSGETNTD
DLSPAPDAWS RPDIPLHARA AYKMAREGLT PDEPGTVGPM KQIEELKAKG LPVAFVGDVV
GTGSSRKSAT NSVLWFFGDD IPGVPNKRSG GICIGSKVAP IFFNTMEDAG ALVFEAPVDK
LNMGDVIEIR PYDGKILSES GEVLSEFKFK SEVILDEVQA GGRIPLIIGR GLTDKARESL
SLPASDAFRR PVDPAGSTKG YTLAQKMVGK ACGVDGVRPG QYCEPKMTTV GSQDTTGPMT
RDELKDLACL GFSADLVMQS FCHTAAYPKP VDVEMQHSLP DFIRTRGGVA LRPGDGIIHS
WLNRMLLPDT VGTGGDSHTR FPMGISFPAG SGLVAFAAAT GVMPLDMPES ILVRFKGERQ
PGITLRDLVH AIPFYGIKQG ILTVEKKGKI NEFSGRILEI EGLEDLTVEQ AFELSDASAE
RSAAGCTITL SEDSVAEYLK SNIVMLRWMI SEGYGDPRTM ERRAKAMEEW LANPELMRAD
SDAEYAHVVE IDMSEIKEPI VCCPNDPDDA KLLSDVAGDK VDEVFIGSCM TNIGHFRAAG
KLLEQNKEPL KTRLWMSPPT KMDQAQLMEE GYYNVYGKSG VRTEMPGCSL CMGNQARVAP
GTTVLSTSTR NFPNRLGDGA NVYLTSAELA SVGAVLGKLP SVGEYMEYAK NINSMSADIY
RYLNFDKMED YTNKAAQAAV DA
//
