8Z5Q | pdb_00008z5q

human phosphorylase kinase - inactive state

• PDB DOI: https://doi.org/10.2210/pdb8Z5Q/pdb
• EM Map EMD-39778: EMDB EMDataResource

• Classification: CYTOSOLIC PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2024-04-18 Released: 2025-04-23 
• Deposition Author(s): Ma, R., Yan, K.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.24 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Molecular basis for the regulation of human phosphorylase kinase by phosphorylation and Ca2+

Ma, R., Yan, K.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Hetero 16-mer - A4B4C4D4 Pseudo Symmetry: Dihedral - D2  (Explore in 3D)
Pseudo Stoichiometry: Hetero 16-mer - A8B4C4 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 1,306.03 kDa 
• Atom Count: 80,239 
• Modeled Residue Count: 10,064 
• Deposited Residue Count: 11,484 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphorylase b kinase regulatory subunit alpha, skeletal muscle isoform	A, E, I, M	1,223	Homo sapiens	Mutation(s): 0  Gene Names: PHKA1, PHKA
UniProt & NIH Common Fund Data Resources
Find proteins for P46020 (Homo sapiens) Explore P46020  Go to UniProtKB:  P46020
PHAROS:  P46020 GTEx:  ENSG00000067177

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphorylase b kinase regulatory subunit beta	B, F, J, N	1,093	Homo sapiens	Mutation(s): 0  Gene Names: PHKB
UniProt & NIH Common Fund Data Resources
Find proteins for Q93100 (Homo sapiens) Explore Q93100  Go to UniProtKB:  Q93100
PHAROS:  Q93100 GTEx:  ENSG00000102893

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphorylase b kinase gamma catalytic chain, skeletal muscle/heart isoform	C, G, K, O	387	Homo sapiens	Mutation(s): 0  Gene Names: PHKG1, PHKG EC: 2.7.11.19 (PDB Primary Data), 2.7.11.1 (PDB Primary Data), 2.7.11.26 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for Q16816 (Homo sapiens) Explore Q16816  Go to UniProtKB:  Q16816
PHAROS:  Q16816 GTEx:  ENSG00000164776

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Calmodulin-3	D, H, L, P	168	Homo sapiens	Mutation(s): 0  Gene Names: CALM3, CALML2, CAM3, CAMC, CAMIII
UniProt & NIH Common Fund Data Resources
Find proteins for P0DP25 (Homo sapiens) Explore P0DP25  Go to UniProtKB:  P0DP25
PHAROS:  P0DP25 GTEx:  ENSG00000160014

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.24 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487:

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-04-23 
Deposition Author(s): Ma, R., Yan, K.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2025-04-23
  Type: Initial release