1P4G

Crystal structure of glycogen phosphorylase b in complex with C-(1-azido-alpha-D-glucopyranosyl)formamide

• PDB DOI: https://doi.org/10.2210/pdb1P4G/pdb

• Classification: TRANSFERASE
• Organism(s): Oryctolagus cuniculus
• Mutation(s): No 


• Deposited: 2003-04-23 Released: 2004-05-18 
• Deposition Author(s): Chrysina, E.D., Oikonomakos, N.G., Zographos, S.E., Kosmopoulou, M.N., Bischler, N., Leonidas, D.D., Nagy, V., Somsak, L., Gergely, P., Praly, J.-P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.204 
• R-Value Work: 0.183 
• R-Value Observed: 0.183 

Starting Model: experimental

Literature

Crsytallographic Studies on alpha- and beta-D-glucopyranosyl Formamide Analogues, Inhibitors of Glycogen Phosphorylase

Chrysina, E.D., Oikonomakos, N.G., Zographos, S.E., Kosmopoulou, M.N., Bischler, N., Leonidas, D.D., Kovacs, L., Docsa, T., Gergely, P., Somsak, L.

(2003) Biocatal Biotransformation 21: 233-242

• DOI: https://doi.org/10.1080/10242420310001614360

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 97.79 kDa 
• Atom Count: 6,932 
• Modelled Residue Count: 810 
• Deposited Residue Count: 842 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glycogen phosphorylase, muscle form	A	842	Oryctolagus cuniculus	Mutation(s): 0  EC: 2.4.1.1
UniProt
Find proteins for P00489 (Oryctolagus cuniculus) Explore P00489  Go to UniProtKB:  P00489

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CGF	B [auth A]	C-(1-AZIDO-ALPHA-D-GLUCOPYRANOSYL) FORMAMIDE C7 H14 N4 O6 LAKOUYZWWLMCSL-JBFGQTLDSA-N
PLP	C [auth A]	PYRIDOXAL-5'-PHOSPHATE C8 H10 N O6 P NGVDGCNFYWLIFO-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.204 
• R-Value Work: 0.183 
• R-Value Observed: 0.183 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 127.869	α = 90
b = 127.869	β = 90
c = 115.623	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
MAR345	data collection
SCALEPACK	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-05-18 
Deposition Author(s): Chrysina, E.D., Oikonomakos, N.G., Zographos, S.E., Kosmopoulou, M.N., Bischler, N., Leonidas, D.D., Nagy, V., Somsak, L., Gergely, P., Praly, J.-P.

Revision History  

• Version 1.0: 2004-05-18
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Data collection, Derived calculations
• Version 1.5: 2023-10-25
  Changes: Data collection, Database references, Refinement description