ID A0A031LRV3_9GAMM Unreviewed; 879 AA.
AC A0A031LRV3;
DT 09-JUL-2014, integrated into UniProtKB/TrEMBL.
DT 09-JUL-2014, sequence version 1.
DT 24-JAN-2024, entry version 54.
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=CL42_08535 {ECO:0000313|EMBL:EZQ10219.1};
OS Acinetobacter sp. Ver3.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC Acinetobacter.
OX NCBI_TaxID=466088 {ECO:0000313|EMBL:EZQ10219.1, ECO:0000313|Proteomes:UP000023816};
RN [1] {ECO:0000313|EMBL:EZQ10219.1, ECO:0000313|Proteomes:UP000023816}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Ver3 {ECO:0000313|EMBL:EZQ10219.1,
RC ECO:0000313|Proteomes:UP000023816};
RA Kurth D.G., Ordonez O.F., Albarracin V.H., Revale S., Farias M.E.;
RT "Polyextremophylic features in the genome of Acinetobacter sp. Ver3
RT isolated from a high altitude andean lake.";
RL Submitted (MAR-2014) 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:EZQ10219.1}.
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DR EMBL; JFYL01000024; EZQ10219.1; -; Genomic_DNA.
DR RefSeq; WP_035267102.1; NZ_JFYL01000024.1.
DR AlphaFoldDB; A0A031LRV3; -.
DR eggNOG; COG1049; Bacteria.
DR UniPathway; UPA00223; UER00718.
DR UniPathway; UPA00946; -.
DR Proteomes; UP000023816; 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 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..384
FT /note="Aconitase B swivel"
FT /evidence="ECO:0000259|Pfam:PF06434"
FT DOMAIN 476..827
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 419..421
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 503
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 718
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-1"
FT BINDING 778
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-1"
FT BINDING 781
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-1"
FT BINDING 800
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 805
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
SQ SEQUENCE 879 AA; 94685 MW; 08F123D27902F19D CRC64;
MLEAYRQHVE ERAALGVPPK PLDDAQTAAL VELLKNPPAG EEAFLVDLLE NRVPAGVDQA
AYVKAAFLAA LAKGEATSPL VSKERAVYLL GTMLGGYNVA PLVELLEDAA LGALAAEALK
KTLLVFDAFH DVADKAKAGN ENAKAVLQSW ADAEWFTSRK DVPEEIKLTV FKVTGETNTD
DLSPAQDAWS RPDIPLHANA MLKNERDGIK PEVPGEVGPL TQIKELIAKG NTVAYVGDVV
GTGSSRKSAT NSVLWFFGDE IAHIPNKKEG GYCLGSKIAP IFFNTMEDAG ALPVEIDVAN
MNMGDEITLK IDKATAKVTA FKDGAQIAEA ELKTPVLLDE VRAGGRINLI IGRGLTTKAR
EELGLPASDL FRTPVQPAAT GKGFTLAQKM VGRACGLPEG QGVLPGTYCE PKMTTVGSQD
TTGPMTRDEL KDLACLGFSA DLVMQSFCHT AAYPKPVDVQ MQHTLPDFIM NRGGVSLRPG
DGIIHSWLNR MLLPDTVGTG GDSHTRFPIG ISFPAGSGLV AFAAATGVMP LDMPESVLVK
FKGKMQPGIT LRDLVHAIPY YAIKEGDLTV EKKGKKNIFS GRILEIDLSE METDLTVEQA
FELSDASAER SAAGCAITLS EEKVAEYLRS NITMLKWMIS EGYGDARTMA RRVENMEKWL
ANPSLLKADA DAEYTKVYEI DLADIKEPIL CCPNDPDDAK LLSDVQGDKI DEVFIGSCMT
NIGHFRAAGK LLDKVPGGSL STRLWLAPPT RMDERQLMEE GFYNTYGKAG ARTEMPGCSL
CMGNQARVAP NTTVVSTSTR NFPNRLGQGA NVYLASAELA SVAAVLGKLP TPEEYQQYAA
QIDSMSADIY KYLNFDQMND YTDAAKDVDT KKIAAAQLS
//
