ID A0A226MKB4_CALSU Unreviewed; 539 AA.
AC A0A226MKB4;
DT 25-OCT-2017, integrated into UniProtKB/TrEMBL.
DT 25-OCT-2017, sequence version 1.
DT 27-MAR-2024, entry version 23.
DE RecName: Full=Hydroxymethylglutaryl-CoA synthase {ECO:0000256|RuleBase:RU364071};
DE Short=HMG-CoA synthase {ECO:0000256|RuleBase:RU364071};
DE EC=2.3.3.10 {ECO:0000256|RuleBase:RU364071};
DE AltName: Full=3-hydroxy-3-methylglutaryl coenzyme A synthase {ECO:0000256|RuleBase:RU364071};
GN ORFNames=ASZ78_011148 {ECO:0000313|EMBL:OXB55648.1};
OS Callipepla squamata (Scaled quail).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC Coelurosauria; Aves; Neognathae; Galloanserae; Galliformes; Odontophoridae;
OC Callipepla.
OX NCBI_TaxID=9009 {ECO:0000313|EMBL:OXB55648.1, ECO:0000313|Proteomes:UP000198323};
RN [1] {ECO:0000313|EMBL:OXB55648.1, ECO:0000313|Proteomes:UP000198323}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Texas {ECO:0000313|EMBL:OXB55648.1,
RC ECO:0000313|Proteomes:UP000198323};
RC TISSUE=Leg muscle {ECO:0000313|EMBL:OXB55648.1};
RA Oldeschulte D.L., Halley Y.A., Bhattarai E.K., Brashear W.A., Hill J.,
RA Metz R.P., Johnson C.D., Rollins D., Peterson M.J., Bickhart D.M.,
RA Decker J.E., Seabury C.M.;
RT "Disparate Historic Effective Population Sizes Predicted by Modern Levels
RT of Genome Diversity for the Scaled Quail (Callipepla squamata) and the
RT Northern Bobwhite (Colinus virginianus): Inferences from First and Second
RT Generation Draft Genome Assemblies for Sympatric New World Quail.";
RL Submitted (JUL-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the condensation of acetyl-CoA with acetoacetyl-CoA
CC to form HMG-CoA. {ECO:0000256|RuleBase:RU364071}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=acetoacetyl-CoA + acetyl-CoA + H2O = (3S)-hydroxy-3-
CC methylglutaryl-CoA + CoA + H(+); Xref=Rhea:RHEA:10188,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:43074,
CC ChEBI:CHEBI:57286, ChEBI:CHEBI:57287, ChEBI:CHEBI:57288; EC=2.3.3.10;
CC Evidence={ECO:0000256|ARBA:ARBA00001222};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:10189;
CC Evidence={ECO:0000256|ARBA:ARBA00001222};
CC -!- PATHWAY: Metabolic intermediate biosynthesis; (R)-mevalonate
CC biosynthesis; (R)-mevalonate from acetyl-CoA: step 2/3.
CC {ECO:0000256|ARBA:ARBA00005218, ECO:0000256|RuleBase:RU364071}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496}.
CC -!- SIMILARITY: Belongs to the thiolase-like superfamily. HMG-CoA synthase
CC family. {ECO:0000256|ARBA:ARBA00007061, ECO:0000256|RuleBase:RU364071}.
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:OXB55648.1}.
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DR EMBL; MCFN01000723; OXB55648.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A226MKB4; -.
DR STRING; 9009.A0A226MKB4; -.
DR UniPathway; UPA00058; UER00102.
DR Proteomes; UP000198323; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004421; F:hydroxymethylglutaryl-CoA synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0006084; P:acetyl-CoA metabolic process; IEA:InterPro.
DR GO; GO:0006695; P:cholesterol biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0010142; P:farnesyl diphosphate biosynthetic process, mevalonate pathway; IEA:InterPro.
DR CDD; cd00827; init_cond_enzymes; 1.
DR Gene3D; 3.40.47.10; -; 1.
DR InterPro; IPR000590; HMG_CoA_synt_AS.
DR InterPro; IPR013746; HMG_CoA_synt_C_dom.
DR InterPro; IPR013528; HMG_CoA_synth_N.
DR InterPro; IPR010122; HMG_CoA_synthase_euk.
DR InterPro; IPR016039; Thiolase-like.
DR NCBIfam; TIGR01833; HMG-CoA-S_euk; 1.
DR PANTHER; PTHR43323; 3-HYDROXY-3-METHYLGLUTARYL COENZYME A SYNTHASE; 1.
DR PANTHER; PTHR43323:SF4; HYDROXYMETHYLGLUTARYL-COA SYNTHASE, CYTOPLASMIC; 1.
DR Pfam; PF08540; HMG_CoA_synt_C; 1.
DR Pfam; PF01154; HMG_CoA_synt_N; 1.
DR SUPFAM; SSF53901; Thiolase-like; 2.
DR PROSITE; PS01226; HMG_COA_SYNTHASE; 1.
PE 3: Inferred from homology;
KW Cholesterol biosynthesis {ECO:0000256|ARBA:ARBA00022778};
KW Cholesterol metabolism {ECO:0000256|ARBA:ARBA00022548};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW Lipid biosynthesis {ECO:0000256|RuleBase:RU364071};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098,
KW ECO:0000256|RuleBase:RU364071};
KW Reference proteome {ECO:0000313|Proteomes:UP000198323};
KW Steroid biosynthesis {ECO:0000256|ARBA:ARBA00022955,
KW ECO:0000256|RuleBase:RU364071};
KW Steroid metabolism {ECO:0000256|ARBA:ARBA00023221,
KW ECO:0000256|RuleBase:RU364071};
KW Sterol biosynthesis {ECO:0000256|ARBA:ARBA00023011,
KW ECO:0000256|RuleBase:RU364071};
KW Sterol metabolism {ECO:0000256|ARBA:ARBA00023166,
KW ECO:0000256|RuleBase:RU364071};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU364071}.
FT DOMAIN 30..203
FT /note="Hydroxymethylglutaryl-coenzyme A synthase N-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF01154"
FT DOMAIN 204..487
FT /note="Hydroxymethylglutaryl-coenzyme A synthase C-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF08540"
FT ACT_SITE 112
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR610122-1"
FT ACT_SITE 146
FT /note="Acyl-thioester intermediate"
FT /evidence="ECO:0000256|PIRSR:PIRSR610122-1"
FT ACT_SITE 281
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR610122-1"
FT BINDING 184
FT /ligand="CoA"
FT /ligand_id="ChEBI:CHEBI:57287"
FT /evidence="ECO:0000256|PIRSR:PIRSR610122-2"
FT BINDING 238
FT /ligand="CoA"
FT /ligand_id="ChEBI:CHEBI:57287"
FT /evidence="ECO:0000256|PIRSR:PIRSR610122-2"
FT BINDING 286
FT /ligand="CoA"
FT /ligand_id="ChEBI:CHEBI:57287"
FT /evidence="ECO:0000256|PIRSR:PIRSR610122-2"
FT BINDING 290
FT /ligand="CoA"
FT /ligand_id="ChEBI:CHEBI:57287"
FT /evidence="ECO:0000256|PIRSR:PIRSR610122-2"
SQ SEQUENCE 539 AA; 59669 MW; 2ECBD8B54C6EA606 CRC64;
MRPRWRPAMG FRSVSATMPG SLPVNAESCW PKDVGIVALE IYFPSQYVDQ TELEKYDGVD
AGKYTIGLGQ SKMGFCSDRE DINSLCLTVV QKLMERNSLS YDCIGRLEVG TETIIDKSKS
VKTVLMQLFE ESGNTDVEGI DTTNACYGGT AALFNAINWI ESSSWDGRYA LVVAGDIAVY
ATGNARPTGG AGAVAMLVGP NAPLIFERGL RGTHMQHAYD FYKPDMVSEY PVVDGKLSIQ
CYLSALDRCY SVYRNKIHAQ WQKEGTDRRF TLNDFGFMIF HSPYCKLVQK SVARLLLNDF
LSDQNAETAN GVFSGLEAFR DVKLEDTYFD RDVEKAFMKA SAELFNQKTK ASLLVSNQNG
NMYTPSVYGC LASLLAQYSP EHLAGQRISV FSYGSGFAAT LYSIRVTQDA TPGSALDKIT
ASLSDLKARL DSRKCIAPDV FAENMRIRQE THHLANYIPQ CSVEDLFEGT WYLVRVDEKH
RRTYARRPIM GDGPLEAGVE VVHPGIVHEH IPSPAKKVPR IPATTESEGV TVAISNGEH
//
