ID A0A0G3CV20_9GAMM Unreviewed; 866 AA.
AC A0A0G3CV20;
DT 16-SEP-2015, integrated into UniProtKB/TrEMBL.
DT 16-SEP-2015, sequence version 1.
DT 24-JAN-2024, entry version 44.
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=QQ39_04625 {ECO:0000313|EMBL:AKJ43758.1};
OS Pragia fontium.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Budviciaceae; Pragia.
OX NCBI_TaxID=82985 {ECO:0000313|EMBL:AKJ43758.1, ECO:0000313|Proteomes:UP000068021};
RN [1] {ECO:0000313|EMBL:AKJ43758.1, ECO:0000313|Proteomes:UP000068021}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=24613 {ECO:0000313|EMBL:AKJ43758.1,
RC ECO:0000313|Proteomes:UP000068021};
RX PubMed=26159528;
RA Snopkova K., Sedlar K., Bosak J., Chaloupkova E., Provaznik I., Smajs D.;
RT "Complete Genome Sequence of Pragia fontium 24613, an Environmental
RT Bacterium from the Family Enterobacteriaceae.";
RL Genome Announc. 3:e00740-15(2015).
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}.
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DR EMBL; CP010423; AKJ43758.1; -; Genomic_DNA.
DR RefSeq; WP_047782516.1; NZ_UGTK01000001.1.
DR AlphaFoldDB; A0A0G3CV20; -.
DR STRING; 82985.QQ39_04625; -.
DR KEGG; pfq:QQ39_04625; -.
DR PATRIC; fig|82985.3.peg.975; -.
DR OrthoDB; 9758061at2; -.
DR UniPathway; UPA00223; UER00718.
DR UniPathway; UPA00946; -.
DR Proteomes; UP000068021; Chromosome.
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:UP000068021};
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..383
FT /note="Aconitase B swivel"
FT /evidence="ECO:0000259|Pfam:PF06434"
FT DOMAIN 472..819
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 415..417
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 499
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 711
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-1"
FT BINDING 770
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-1"
FT BINDING 773
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-1"
FT BINDING 792
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
FT BINDING 797
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR036687-2"
SQ SEQUENCE 866 AA; 93894 MW; ABECB5A12A575C08 CRC64;
MLEEYRKHVA ERSAEGIVPK PLNAEQMAGL VTLLKNPPAG EDAFLLDLLI NRVPPGVDEA
AYVKAGFLAA LVSGEAKSPL VSAEKALELL GTMQGGYNIQ PMIDALDNEK LAPIAVKELS
HTLLMFDSFY DVEAKAKAGN KYAQQVMQSW ANADWFLSRP ALADKLTMTV FKVSGETNTD
DLSPAPDAWS RPDIPLHAMA MLKNPRDGIV PDQPGQIGPI KKLEELKQQG FPLVYVGDVV
GTGSSRKSAT NSVLWFMGND IPYVPNKRSG GVVLGGKIAP IFFNTMEDAG ALPIEDVDVS
KLNTGDVIDI YPRKGEIRRH DNNELLATFS LKTDVLMDEV RAGGRIPLII GRGLTSKARE
SLGLAASDIF VQAQSAHASS KGYTLAQKMV GKACGVKGVR PGEYCEPKMT SVGSQDTTGG
MTRDELKDLA CLGFSADLVM QSFCHTAAYP KPVDVQMHHS LPDFMMNRGG VSLRPGDGII
HSWLNRMLLP DTVGTGADSH TRFPIGISFP AGSGLVAFAA ATGVMPLDMP ESVLVRFSGK
MQPGITLRDL VHAIPYYAIQ QGLLTVEKTG KKNIFSGRIL EIEGLPDLKA EQAFELADAS
AERSAAACTI KLNKEPVAEY LRSNIVMLKW MIAEGYGDAR TLERRINDMQ AWLANPQLME
ADSDAEYAAV LDIDLNQIKQ PILCAPNDPD DARLLSDVTG DKIDEVFIGS CMTNIGHFRA
AGKLLENFKG KLPTRLWVTP PTKMDATQLS EEGYYSIFGQ SGARIEMPGC SLCMGNQARV
NEGATVVSTS TRNFPNRLGN GANVYLASAE LAAVAAILGR LPTTEEYLAY MVEVDKTADD
TYRYLNFDRL NEYTKKAEGV IFQSAV
//
