ID G3A3P7_9RALS Unreviewed; 1099 AA.
AC G3A3P7;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 24-JAN-2024, entry version 45.
DE RecName: Full=Fused isobutyryl-CoA mutase {ECO:0000256|HAMAP-Rule:MF_02050};
DE Includes:
DE RecName: Full=Isobutyryl-CoA mutase {ECO:0000256|HAMAP-Rule:MF_02050};
DE Short=ICM {ECO:0000256|HAMAP-Rule:MF_02050};
DE EC=5.4.99.13 {ECO:0000256|HAMAP-Rule:MF_02050};
DE Includes:
DE RecName: Full=P-loop GTPase {ECO:0000256|HAMAP-Rule:MF_02050};
DE EC=3.6.5.- {ECO:0000256|HAMAP-Rule:MF_02050};
DE AltName: Full=G-protein chaperone {ECO:0000256|HAMAP-Rule:MF_02050};
GN Name=icmF {ECO:0000256|HAMAP-Rule:MF_02050};
GN ORFNames=RALSY_30252 {ECO:0000313|EMBL:CCA88508.1};
OS Ralstonia syzygii R24.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Ralstonia.
OX NCBI_TaxID=907261 {ECO:0000313|EMBL:CCA88508.1};
RN [1] {ECO:0000313|EMBL:CCA88508.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=R24 {ECO:0000313|EMBL:CCA88508.1};
RX PubMed=21931687; DOI=10.1371/journal.pone.0024356;
RA Remenant B., de Cambiaire J.C., Cellier G., Jacobs J.M., Mangenot S.,
RA Barbe V., Lajus A., Vallenet D., Medigue C., Fegan M., Allen C., Prior P.;
RT "Ralstonia syzygii, the Blood Disease Bacterium and some Asian R.
RT solanacearum strains form a single genomic species despite divergent
RT lifestyles.";
RL PLoS ONE 6:e24356-e24356(2011).
RN [2] {ECO:0000313|EMBL:CCA88508.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=R24 {ECO:0000313|EMBL:CCA88508.1};
RA Genoscope - CEA;
RL Submitted (APR-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reversible interconversion of isobutyryl-CoA
CC and n-butyryl-CoA, using radical chemistry. Also exhibits GTPase
CC activity, associated with its G-protein domain (MeaI) that functions as
CC a chaperone that assists cofactor delivery and proper holo-enzyme
CC assembly. {ECO:0000256|HAMAP-Rule:MF_02050}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-methylpropanoyl-CoA = butanoyl-CoA; Xref=Rhea:RHEA:13141,
CC ChEBI:CHEBI:57338, ChEBI:CHEBI:57371; EC=5.4.99.13;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_02050};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=GTP + H2O = GDP + H(+) + phosphate; Xref=Rhea:RHEA:19669,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:37565,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:58189; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_02050};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_02050};
CC -!- COFACTOR:
CC Name=adenosylcob(III)alamin; Xref=ChEBI:CHEBI:18408;
CC Evidence={ECO:0000256|ARBA:ARBA00001922,
CC ECO:0000256|HAMAP-Rule:MF_02050};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_02050}.
CC -!- DOMAIN: Is composed of four functional domains: the N-terminal 5'-
CC deoxyadenosylcobalamin binding region that is homologous to the small
CC subunit of ICM (IcmB), a middle P-loop GTPase domain (MeaI) that likely
CC acts as a chaperone for ICM, a structured linker region involved in
CC dimer formation, and a C-terminal part that is homologous to the large
CC substrate-binding subunit of ICM (IcmA). {ECO:0000256|HAMAP-
CC Rule:MF_02050}.
CC -!- SIMILARITY: Belongs to the IcmF family. {ECO:0000256|HAMAP-
CC Rule:MF_02050}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_02050}.
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DR EMBL; FR854088; CCA88508.1; -; Genomic_DNA.
DR AlphaFoldDB; G3A3P7; -.
DR GO; GO:0031419; F:cobalamin binding; IEA:UniProtKB-UniRule.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003924; F:GTPase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0047727; F:isobutyryl-CoA mutase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0034784; F:pivalyl-CoA mutase activity; IEA:InterPro.
DR GO; GO:0006637; P:acyl-CoA metabolic process; IEA:UniProtKB-UniRule.
DR CDD; cd02071; MM_CoA_mut_B12_BD; 1.
DR CDD; cd03678; MM_CoA_mutase_1; 1.
DR CDD; cd03114; MMAA-like; 1.
DR Gene3D; 3.40.50.280; Cobalamin-binding domain; 1.
DR Gene3D; 3.20.20.240; Methylmalonyl-CoA mutase; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR HAMAP; MF_02050; IcmF; 1.
DR InterPro; IPR006159; Acid_CoA_mut_C.
DR InterPro; IPR016176; Cbl-dep_enz_cat.
DR InterPro; IPR006158; Cobalamin-bd.
DR InterPro; IPR036724; Cobalamin-bd_sf.
DR InterPro; IPR033669; IcmF.
DR InterPro; IPR006099; MeMalonylCoA_mutase_a/b_cat.
DR InterPro; IPR027417; P-loop_NTPase.
DR NCBIfam; TIGR00640; acid_CoA_mut_C; 1.
DR PANTHER; PTHR43087:SF1; LAO/AO TRANSPORT SYSTEM ATPASE; 1.
DR PANTHER; PTHR43087; LYSINE/ARGININE/ORNITHINE TRANSPORT SYSTEM KINASE; 1.
DR Pfam; PF02310; B12-binding; 1.
DR Pfam; PF03308; MeaB; 1.
DR Pfam; PF01642; MM_CoA_mutase; 1.
DR SUPFAM; SSF52242; Cobalamin (vitamin B12)-binding domain; 1.
DR SUPFAM; SSF51703; Cobalamin (vitamin B12)-dependent enzymes; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR PROSITE; PS51332; B12_BINDING; 1.
PE 3: Inferred from homology;
KW Chaperone {ECO:0000256|HAMAP-Rule:MF_02050};
KW Cobalamin {ECO:0000256|ARBA:ARBA00022628, ECO:0000256|HAMAP-Rule:MF_02050};
KW Cobalt {ECO:0000256|HAMAP-Rule:MF_02050};
KW GTP-binding {ECO:0000256|HAMAP-Rule:MF_02050};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_02050};
KW Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_02050};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_02050};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_02050};
KW Multifunctional enzyme {ECO:0000256|HAMAP-Rule:MF_02050};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_02050}.
FT DOMAIN 24..162
FT /note="B12-binding"
FT /evidence="ECO:0000259|PROSITE:PS51332"
FT BINDING 37
FT /ligand="adenosylcob(III)alamin"
FT /ligand_id="ChEBI:CHEBI:18408"
FT /ligand_part="Co"
FT /ligand_part_id="ChEBI:CHEBI:27638"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 217..222
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 221
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 246
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 247
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 260
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 260
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 263
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 308
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 308
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 309
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 355..358
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 588
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 627
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 733
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 777
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 826
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 861
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 866
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 978
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 1098
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
SQ SEQUENCE 1099 AA; 121254 MW; 1F1162653B769421 CRC64;
MTDLSAARAA EPASASEPVP ICNKVRFVTA ASLFDGHDAS INIMRRILQS MGCEVIHLGH
NRSVDEVVNA ALQEDAQGIA VSSYQGGHVE YFKYMIDALR ARGGEHIQVF GGGGGVIVPA
EIRELQDYGV ARIYSPEDGQ RMGLAGMIAD MVRRCDIDLS IHAPTTLEPV VAGDRRALAQ
LITALESGRV DPALRQAVHE RAAATHTPVL GVTGTGGAGK SSLTDELIRR FRLDQHDRLR
IAVISIDPSR RKSGGALLGD RIRMNAINHP HLFVRSMATR EAGSEISDAL PDAIAACRAG
GFDLIMVETS GIGQGDAAIV PHVDLSLYVM TPEFGAASQL EKIDMLDFAD LVAINKFDRK
GAQDAWRDVC KQVQRNREQW HAKPEAMPVF GTQASHFNDD GVTALYHALA DQLAKRGLAL
GERTLPRPPG TCSTSHDAIV PPARVRYLAE VAEAVRGYHR RAETQSRLAR ERQQLQASRR
MLEQVGASGD ALAALDTQAA ERDARLGAAE RKLLAMWPDL RRAYAGDEYV VKIRDKEIRT
RLTHTTLSGT TIRKVVLPPY EDDGEILRWL MRENVPGSFP YTAGVFAFKR RGDDAGEDPT
RMFAGEGDAF RTNRRFKLVS EGMPAKRLST AFDSVTLYGE DPDPRPDIYG KVGNAGVSIA
TLDDMKVLYD GFDLTSPDTS VSMTINGPAP TLLAMFMNTA IDQNLDRFRA DNGREPTEGE
EAKIRAWVLQ NVRGTVQADI LKEDQGQNTC IFSTAFSLKV MGDIQEYFVH HQVRNFYSVS
ISGYHIAEAG ANPISQLAFT LANGFTYVEA YRARGMHIDD FAPNLSFFFS NGMEPEYSVL
GRVARRIWAV TMRDKYGANE RSQKLKYHVQ TSGRSLHAQE IAFNDIRTTL QALIAIYDNC
NSLHTNAYDE AITTPTAESV RRALAIQLII NREWGLTKCE NPNQGSFIID ELTDLVEAAV
LQEFERIAER GGVLGAMETG YQRGRIQEES MLYEQRKHDG SLPIIGVNTF RDPDAGHAAP
VPIELARSSE EEKQRQLARL EDFHARHAAE APAMLQRLQR AVIDDQNVFA VLMDAVRVCS
LGQITHALFE VGGQYRRNM
//