ID A0A0A0JQH5_9MICO Unreviewed; 1080 AA.
AC A0A0A0JQH5;
DT 07-JAN-2015, integrated into UniProtKB/TrEMBL.
DT 07-JAN-2015, sequence version 1.
DT 24-JAN-2024, entry version 37.
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=N803_11100 {ECO:0000313|EMBL:KGN38287.1};
OS Knoellia subterranea KCTC 19937.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Intrasporangiaceae;
OC Knoellia.
OX NCBI_TaxID=1385521 {ECO:0000313|EMBL:KGN38287.1, ECO:0000313|Proteomes:UP000030011};
RN [1] {ECO:0000313|EMBL:KGN38287.1, ECO:0000313|Proteomes:UP000030011}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KCTC 19937 {ECO:0000313|EMBL:KGN38287.1,
RC ECO:0000313|Proteomes:UP000030011};
RA Zhu W., Wang G.;
RT "The genome sequence of Knoellia subterranea.";
RL Submitted (AUG-2013) 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: Heterodimer of an alpha and a beta chain.
CC {ECO:0000256|ARBA:ARBA00011870}.
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}.
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:KGN38287.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AVPK01000003; KGN38287.1; -; Genomic_DNA.
DR RefSeq; WP_035903873.1; NZ_AVPK01000003.1.
DR AlphaFoldDB; A0A0A0JQH5; -.
DR STRING; 1385521.N803_11100; -.
DR eggNOG; COG1703; Bacteria.
DR eggNOG; COG1884; Bacteria.
DR eggNOG; COG2185; Bacteria.
DR OrthoDB; 9762378at2; -.
DR Proteomes; UP000030011; Unassembled WGS sequence.
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:0004494; F:methylmalonyl-CoA mutase activity; IEA:InterPro.
DR GO; GO:0034784; F:pivalyl-CoA mutase activity; IEA:InterPro.
DR GO; GO:0006637; P:acyl-CoA metabolic process; IEA:UniProtKB-UniRule.
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; 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; IPR006098; MMCoA_mutase_a_cat.
DR InterPro; IPR027417; P-loop_NTPase.
DR NCBIfam; TIGR00641; acid_CoA_mut_N; 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}; Reference proteome {ECO:0000313|Proteomes:UP000030011}.
FT DOMAIN 14..151
FT /note="B12-binding"
FT /evidence="ECO:0000259|PROSITE:PS51332"
FT REGION 404..565
FT /note="Linker"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 27
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 206..211
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 210
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 235
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 236
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 249
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 249
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 252
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 296
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 296
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 297
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 343..346
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 573
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 608
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 714
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 758
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 807
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 842
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 847
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 959
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 1079
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
SQ SEQUENCE 1080 AA; 118384 MW; 9C2383C9A3B60639 CRC64;
MTQTSPELHV PTNPVRIVTA SSLFDGHDAS INIMRRIMQS QGAEVIHLGH NRSVQEVVDA
AIEEDVQGVA VSSYQGGHVE YFEYLVQLLR EAGAGHVKVV GGGGGVIVAD EIARLREAGV
TIFSPEDGQR LGLVGMINTV IEDCDTDLYA VRSASVAGVL SGDRAAVARA ITGAETHKLS
DDDRAELARA AEARHVPVLG ITGTGGSGKS SLTDELVRRL RVDQQDKLRV AVVAVDPTRR
KGGGALLGDR IRMNSLDGDR IFFRSLATRG GREVPEALED VITILKAAAY DLIVIETPGI
GQGDAAIVPF ADVSMYVMTP EFGAQSQLEK IDMLDFADLV AINKFERRGA MDALRDVGRQ
LVRNRNAFGK KPEDMPVFGT SAATFNDDGV TALYQELRRL LSEKGLEFSE GVLPPVSVRH
SSVLRQIVPA ARVRYLSEIA DTVRGYHSQT EAYAAHARRV QRLEFVDDEL AAAGHEDHAV
DALLVEARKA LPTEVGEAIE NWPATVEAYA GDEQVVRIRD KELHTSLVKE SLSGNKIRRV
SVPSFADHGD LVSFLRRENL PGFFPFTAGV FPFKRDNEDP ARMFAGEGDP FRTNRRFKLL
SEGQPATRLS TAFDSVTLYG RDPDPRPDIY GKVGTSGVSI ATLDDMKALY DGFDLTSPST
SVSMTINGPA PTILAFFLNT VIDGELAKFS EREGREPNAE EAAGIRAHAL ASVRGTVQAD
ILKEDQGQNT CLFSTEFSLR MMADIQEWFI EQQVRNFYSV SISGYHIAEA GANPISQLAF
TLANGFTYVE AYLARGMDIN DFAPNLSFFF SNGMDPEYSV IGRVARRIWA VAMREKYGAN
ERSQKLKYHV QTSGRSLHAQ EMDFNDIRTT LQALIAIYDN ANSLHTNAFD EAVTTPGPDS
VRRALAIQMI INREWGLAMN ENPLQGSYVI DELTDMVEAA VLAEFDRISE RGGVLGAMET
GYQRGKIQDE SMLYEHRKHD GSLPIIGVNT FRKPDAEGGT PQHVELARAS ESEKESQLAR
VRAYREAHSV EAEEELGRLR EAAMSGDNVF AVLMDAARVC TLQQVTDAFF EVGGQYRRNV
//