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Protein

Hydroxymethylglutaryl-CoA lyase, mitochondrial

Gene

HMGCL

Organism
Pongo abelii (Sumatran orangutan) (Pongo pygmaeus abelii)
Status
Reviewed-Annotation score: Annotation score: 4 out of 5-Experimental evidence at transcript leveli

Functioni

Key enzyme in ketogenesis (ketone body formation). Terminal step in leucine catabolism. Ketone bodies (beta-hydroxybutyrate, acetoacetate and acetone) are essential as an alternative source of energy to glucose, as lipid precursors and as regulators of metabolism (By similarity).By similarity

Catalytic activityi

(S)-3-hydroxy-3-methylglutaryl-CoA = acetyl-CoA + acetoacetate.PROSITE-ProRule annotation

Pathwayi: (S)-3-hydroxy-3-methylglutaryl-CoA degradation

This protein is involved in step 1 of the subpathway that synthesizes acetoacetate from (S)-3-hydroxy-3-methylglutaryl-CoA.
Proteins known to be involved in this subpathway in this organism are:
  1. Hydroxymethylglutaryl-CoA lyase, mitochondrial (HMGCL)
This subpathway is part of the pathway (S)-3-hydroxy-3-methylglutaryl-CoA degradation, which is itself part of Metabolic intermediate metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes acetoacetate from (S)-3-hydroxy-3-methylglutaryl-CoA, the pathway (S)-3-hydroxy-3-methylglutaryl-CoA degradation and in Metabolic intermediate metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei41SubstrateBy similarity1
Metal bindingi42Divalent metal cationBy similarity1
Metal bindingi233Divalent metal cationBy similarity1
Metal bindingi235Divalent metal cationBy similarity1
Active sitei266PROSITE-ProRule annotation1
Metal bindingi275Divalent metal cationBy similarity1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionLyase
LigandMetal-binding

Enzyme and pathway databases

UniPathwayiUPA00896; UER00863.

Names & Taxonomyi

Protein namesi
Recommended name:
Hydroxymethylglutaryl-CoA lyase, mitochondrial (EC:4.1.3.4)
Short name:
HL
Short name:
HMG-CoA lyase
Alternative name(s):
3-hydroxy-3-methylglutarate-CoA lyase
Gene namesi
Name:HMGCL
OrganismiPongo abelii (Sumatran orangutan) (Pongo pygmaeus abelii)
Taxonomic identifieri9601 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaePongo
Proteomesi
  • UP000001595 Componenti: Unplaced

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Mitochondrion, Peroxisome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Transit peptidei1 – 27MitochondrionBy similarityAdd BLAST27
ChainiPRO_000001348128 – 325Hydroxymethylglutaryl-CoA lyase, mitochondrialAdd BLAST298

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei48N6-acetyllysine; alternateBy similarity1
Modified residuei48N6-succinyllysine; alternateBy similarity1
Modified residuei111N6-acetyllysineBy similarity1
Modified residuei137N6-acetyllysine; alternateBy similarity1
Modified residuei137N6-succinyllysine; alternateBy similarity1
Modified residuei179N6-acetyllysine; alternateBy similarity1
Modified residuei179N6-succinyllysine; alternateBy similarity1
Disulfide bondi323InterchainBy similarity
Modified residuei324N6-acetyllysineBy similarity1

Keywords - PTMi

Acetylation, Disulfide bond

Proteomic databases

PRIDEiQ5R9E1.

Interactioni

Subunit structurei

Homodimer; disulfide-linked. Can also form homotetramers.By similarity

Structurei

3D structure databases

ProteinModelPortaliQ5R9E1.
SMRiQ5R9E1.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini33 – 300Pyruvate carboxyltransferasePROSITE-ProRule annotationAdd BLAST268

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Motifi323 – 325Microbody targeting signalSequence analysis3

Sequence similaritiesi

Belongs to the HMG-CoA lyase family.Curated

Keywords - Domaini

Transit peptide

Phylogenomic databases

HOVERGENiHBG064656.
InParanoidiQ5R9E1.
KOiK01640.

Family and domain databases

Gene3Di3.20.20.70. 1 hit.
InterProiView protein in InterPro
IPR013785. Aldolase_TIM.
IPR000138. HMG_CoA_lyase_AS.
IPR000891. PYR_CT.
PfamiView protein in Pfam
PF00682. HMGL-like. 1 hit.
PROSITEiView protein in PROSITE
PS01062. HMG_COA_LYASE. 1 hit.
PS50991. PYR_CT. 1 hit.

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q5R9E1-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAAMRKAVPR RLVGLASLRA VSTSSMGTLP KRVKIVEVGP RDGLQNEKNI
60 70 80 90 100
VSTPVKIKLI DMLSEAGLSV IETTSFVSPK WVPQMGDHTE VLKGIQKFPG
110 120 130 140 150
INYPVLTPNL KGFEAAVAAG AKEVAIFGAA SELFTKKNIN CSIEESFQRF
160 170 180 190 200
DAILKAAQSA NISVRGYVSC ALGCPYEGKI SPAKVAEVTK KLYSMGCYEI
210 220 230 240 250
SLGDTIGVGT PGIMKGMLSA VMQEVPLAAL AVHCHDTYGQ ALANTLMALQ
260 270 280 290 300
MGVSVVDSSV AGLGGCPYAQ GASGNLATED LVYMLEGLGI HTGVNLQKLL
310 320
EAGNFICQAL NRKTSSKVAQ ATCKL
Length:325
Mass (Da):34,226
Last modified:December 21, 2004 - v1
Checksum:i790E020FC3FBE652
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CR859448 mRNA. Translation: CAH91619.1.
RefSeqiNP_001127443.1. NM_001133971.1.
UniGeneiPab.8264.

Genome annotation databases

GeneIDi100174514.
KEGGipon:100174514.

Similar proteinsi

Entry informationi

Entry nameiHMGCL_PONAB
AccessioniPrimary (citable) accession number: Q5R9E1
Entry historyiIntegrated into UniProtKB/Swiss-Prot: March 15, 2005
Last sequence update: December 21, 2004
Last modified: October 25, 2017
This is version 64 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families