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Details on Person UniProt:P46020 PHKA1

Class:IdReferenceGeneProduct:58187
_chainChangeLogchain:1-1223 added on Fri February 6 2015
_displayNameUniProt:P46020 PHKA1
_timestamp2024-11-03 19:46:38
chainchain:1-1223
checksum48511719C0BFE40F
commentFUNCTION Phosphorylase b kinase catalyzes the phosphorylation of serine in certain substrates, including troponin I. The alpha chain may bind calmodulin.ACTIVITY REGULATION By phosphorylation of various serine residues. Allosteric regulation by calcium.PATHWAY Glycan biosynthesis; glycogen metabolism.SUBUNIT Hexadecamer of 4 heterotetramers, each composed of alpha, beta, gamma, and delta subunits. Alpha (PHKA1 or PHKA2) and beta (PHKB) are regulatory subunits, gamma (PHKG1 or PHKG2) is the catalytic subunit, and delta is calmodulin.INTERACTION Muscle specific. Isoform 1 is predominant in vastus lateralis muscle. Isoform 2 predominates slightly in heart, and it predominates clearly in the other tissues tested.PTM Although the final Cys may be farnesylated, the terminal tripeptide is probably not removed, and the C-terminus is not methylated.DISEASE The disease is caused by variants affecting the gene represented in this entry.SIMILARITY Belongs to the phosphorylase b kinase regulatory chain family.
descriptionrecommendedName: Phosphorylase b kinase regulatory subunit alpha, skeletal muscle isoform shortName: Phosphorylase kinase alpha M subunit
geneNamePHKA1
PHKA
identifierP46020
isSequenceChangedFALSE
keyword3D-structure
Alternative splicing
Calmodulin-binding
Carbohydrate metabolism
Cell membrane
Disease variant
Glycogen metabolism
Glycogen storage disease
Lipoprotein
Membrane
Muscle protein
Phosphoprotein
Prenylation
Proteomics identification
Reference proteome
modified[InstanceEdit:9836292] Weiser, Joel, 2023-05-25
[InstanceEdit:9852000] Weiser, Joel, 2023-11-03
[InstanceEdit:9917590] Weiser, Joel, 2024-08-09
[InstanceEdit:9926675] Weiser, Joel, 2024-11-03
namePHKA1
referenceDatabase[ReferenceDatabase:2] UniProt
referenceGene[ReferenceDNASequence:8996669] ENSEMBL:ENSG00000067177 PHKA1 [Homo sapiens]
secondaryIdentifierKPB1_HUMAN
B7ZL05
B7ZL07
Q2M3D7
sequenceLength1223
species[Species:48887] Homo sapiens
(isoformParent)[ReferenceIsoform:149461] UniProt:P46020-2 PHKA1 [Homo sapiens]
[ReferenceIsoform:404085] UniProt:P46020-1 PHKA1 [Homo sapiens]
[ReferenceIsoform:8973839] UniProt:P46020-3 PHKA1 [Homo sapiens]
(referenceEntity)[EntityWithAccessionedSequence:71516] PHKA1 [cytosol] [Homo sapiens]
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No pathways have been reviewed or authored by UniProt:P46020 PHKA1 (58187)