ID A0A160FG93_9BURK Unreviewed; 1187 AA.
AC A0A160FG93;
DT 06-JUL-2016, integrated into UniProtKB/TrEMBL.
DT 06-JUL-2016, sequence version 1.
DT 24-JAN-2024, entry version 34.
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=AYM40_00880 {ECO:0000313|EMBL:ANB71069.1};
OS Paraburkholderia phytofirmans OLGA172.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Paraburkholderia.
OX NCBI_TaxID=1417228 {ECO:0000313|EMBL:ANB71069.1, ECO:0000313|Proteomes:UP000076852};
RN [1] {ECO:0000313|EMBL:ANB71069.1, ECO:0000313|Proteomes:UP000076852}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=OLGA172 {ECO:0000313|EMBL:ANB71069.1,
RC ECO:0000313|Proteomes:UP000076852};
RX PubMed=27063562; DOI=10.1016/j.gene.2016.04.018;
RA Ricker N., Shen S.Y., Goordial J., Jin S., Fulthorpe R.R.;
RT "PacBio SMRT assembly of a complex multi-replicon genome reveals
RT chlorocatechol degradative operon in a region of genome plasticity.";
RL Gene 586:239-247(2016).
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; CP014578; ANB71069.1; -; Genomic_DNA.
DR RefSeq; WP_063494558.1; NZ_CP014578.1.
DR AlphaFoldDB; A0A160FG93; -.
DR STRING; 1804984.AYM40_00880; -.
DR KEGG; buz:AYM40_00880; -.
DR Proteomes; UP000076852; Chromosome 1.
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 CDD; cd02071; MM_CoA_mut_B12_BD; 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; IPR006098; MMCoA_mutase_a_cat.
DR InterPro; IPR027417; P-loop_NTPase.
DR NCBIfam; TIGR00640; acid_CoA_mut_C; 1.
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:UP000076852}.
FT DOMAIN 20..158
FT /note="B12-binding"
FT /evidence="ECO:0000259|PROSITE:PS51332"
FT REGION 547..569
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 552..569
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 33
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 274..279
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 278
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 303
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 304
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 317
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 317
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 320
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 369
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 369
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 370
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 416..419
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 678
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 713
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 822
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 915
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 950
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 955
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 1067
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
FT BINDING 1186
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02050"
SQ SEQUENCE 1187 AA; 129723 MW; E6D94AFF7235AF43 CRC64;
MTDLSTPQRA GGHKLPAGRR LRFVTAAALF DGHDASINIM RRILQASGVE VIHLGHNRSV
DEVATAALQE DADGVAVSSY QGGHNEYFRY LVDLLRARGG ERIKVFGGGG GVIVPEEIAE
LERYGVEKIY SPHDGQRLGL QGMIDDMIAR CAEVARAAAA VRESPVGEWV ADLSACGLPR
FEPRAESDVE ARADDHANAR DLSGTARQAG GALYASQIDD TAEQPDPAAF TFRRLAQLIS
AYEAGRVKSA EPEILAVLAE ATEIPVLGIT GTGGAGKSSL TDELIRRFRL DYGDALTIAV
LAIDPSRRKS GGALLGDRIR MNAIGDWGGG ARVYMRSMAT REASSEITDS LSDVLTLCKA
AGFDLIIVET SGIGQGNAAI VPFVDESLYV MTPEFGAASQ LEKIDMLDFA SFVAINKFDR
KGAPDALRDV AKQVQRNRGD FAKAPDAMPV FGTIASRFND DGVTALYQHV AGALRTHGLR
SGGGRLPRLD DLRFSSGRNA IVPPARVRYL ADVAQTVHAY RERADAQASV ARERWHLTEA
RRMLGEADAG TGTGTGTGTG TRTGPGASAA TTTGAAAAIH LHTELDTLIA QRTAALGERE
RRLLEAWPQT VSAYSGDEHI VRIRGREIHT ALTVTTLSGS KVRKVALPKF ADHGEILHWL
MLDNLPGYFP FTAGVFPFRR ENEDPTRMFA GEGDPFRTNR RFKLLSEGMP AKRLSTAFDS
VTLYGEEPHE RPDIYGKVGN SGVSVATLDD MKTLYDGFDL CAPETSVSMT INGPAPTILA
MFFNVAIDQQ IARLNERLQQ EGRKPTGEEL ATARRTALEN VRGTVQADIL KEDQGQNTCI
FSTEFSLKVM GDIQAYFVDH GVRNFYSVSI SGYHIAEAGA NPISQLAYTL ANGFTYVEAY
LARGMSIDDF APNLSFFFSN GMDPEYTVLG RVARRIWAIA MRERYGANER SQKLKYHVQT
SGRSLHAQEI DFNDIRTTLQ ALIAIYDNCN SLHTNAFDEA ITTPTEDSVR RAVAIQLIIN
REWGLAKNQN PNQGSFVIEE LTDLVEEAVL AEFDRLTERG GVLGAMETGY QRGRIQDESM
LYEHRKHDGS YPIVGVNTFL SAHPHEAPQP IALARSTDEE KQSQLKRLRD FQARHRNDAP
AALERLKRAV IDDDNVFAVL MDVVRVCSLG QITHALFEVG GQYRRNM
//