ID K0JZA9_SACES Unreviewed; 1046 AA.
AC K0JZA9;
DT 28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT 28-NOV-2012, sequence version 1.
DT 27-MAR-2024, entry version 54.
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 OrderedLocusNames=BN6_32830 {ECO:0000313|EMBL:CCH30587.1};
OS Saccharothrix espanaensis (strain ATCC 51144 / DSM 44229 / JCM 9112 / NBRC
OS 15066 / NRRL 15764).
OC Bacteria; Actinomycetota; Actinomycetes; Pseudonocardiales;
OC Pseudonocardiaceae; Saccharothrix.
OX NCBI_TaxID=1179773 {ECO:0000313|EMBL:CCH30587.1, ECO:0000313|Proteomes:UP000006281};
RN [1] {ECO:0000313|EMBL:CCH30587.1, ECO:0000313|Proteomes:UP000006281}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51144 / DSM 44229 / JCM 9112 / NBRC 15066 / NRRL 15764
RC {ECO:0000313|Proteomes:UP000006281};
RX PubMed=22958348; DOI=10.1186/1471-2164-13-465;
RA Strobel T., Al-Dilaimi A., Blom J., Gessner A., Kalinowski J.,
RA Luzhetska M., Puhler A., Szczepanowski R., Bechthold A., Ruckert C.;
RT "Complete genome sequence of Saccharothrix espanaensis DSM 44229T and
RT comparison to the other completely sequenced Pseudonocardiaceae.";
RL BMC Genomics 13:465-465(2012).
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}.
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DR EMBL; HE804045; CCH30587.1; -; Genomic_DNA.
DR AlphaFoldDB; K0JZA9; -.
DR STRING; 1179773.BN6_32830; -.
DR KEGG; sesp:BN6_32830; -.
DR PATRIC; fig|1179773.3.peg.3287; -.
DR eggNOG; COG1703; Bacteria.
DR eggNOG; COG1884; Bacteria.
DR eggNOG; COG2185; Bacteria.
DR HOGENOM; CLU_009523_2_0_11; -.
DR Proteomes; UP000006281; Chromosome.
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|ARBA:ARBA00023285, 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:UP000006281}.
FT DOMAIN 1..119
FT /note="B12-binding"
FT /evidence="ECO:0000259|PROSITE:PS51332"
FT REGION 371..532
FT /note="Linker"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 172..177
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 176
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 201
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 202
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 215
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 215
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 218
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 263
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="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 264
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 310..313
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 540
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 575
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 681
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 725
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 774
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 809
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 814
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 926
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 1045
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
SQ SEQUENCE 1046 AA; 115088 MW; 98B62BA864C420FB CRC64;
MRRILQSQGA EVVHLGHNRS VREVVAAAVQ EDVQGIAISA YQGGHVEYFS YLVELLAERG
AEHIKVFGGG GGVIVPEEIE LLHSRGVARI FSPADGQQLG LARMINSMIE TCDHDLAADT
PSSWDGLFAG SEDVLARAIT LIEAGRLPAD LKTRLEQAAR PVPVLGITGT GGSGKSSLTD
ELVRRFRLDQ EDKLRIAVLA IDPTRRRGGG ALLGDRIRMN CLEGDRVFFR SLATRRAGSE
VPDGLSDAIL ACKAAGFDLV VVETPGIGQG DAAIVPFVDH SLYVMTPEFG AASQLEKIDM
LDFADAVAIN KFERRGAEDA RRDVARQLVR NREAFGVSWE QMPVFGTSAA TFNDDGVTAL
YQHLRDELVR RGLEVSPGAL LPVSGKVSTA ASTVVPASKA RYLAEIAETV RGYHRATETH
VDAVRRAAHL RAARDELAAA GHDTEPISDL LAKAEKHVDG VSAELLEAWP KVVEDYSGDE
LVVRVRDKEI HTRLTRETLS GNKVRRVALP RYDDEGTLLR FLRKENLPGY FPYTAGVFPF
KRDGEDPARM FAGEGDAFRT NRRFKYLSKG SEATRLSTAF DSVTLYGRDP DTPPDVYGKI
GTSGVSIATL DDMKALYDGF ELTAPTTSVS MTINGPAPTI LAFFLNTVVD QRIDAFRAAE
GREPTAEEEA RLKAWALANV RGTVQADILK EDQGQNTCIF STEFSLRMMA DIQEWFIQQK
VRNFYSVSIS GYHIAEAGAN PISQLAFTLA NGFTYVESYL ARGMSVDDFA PNLSFFFSNG
MDAEYSVIGR VARRIWAVAM RERYGANDRS QKFKYHVQTS GRSLHAQEMD FNDIRTTLQA
LCALYDNCNS LHTNAYDEAI TTPTESSVRR AMAIQLIINK EWGLSSNENP LQGSFVIDEL
TDLVEEAVLL EFDRLSERGG VLGAMETGYQ RGRIQDESML YEQRKHDGSL PLIGVNTFLP
DSGEREHVTI ELARATEDEK RSQVDRTRAF AAAHAEQAEP ALRRLKEAAQ TGENVFAVLM
DAARVCTLGQ VTEAFFEVGG QYRRNV
//