2BF9

Anisotropic refinement of avian (turkey) pancreatic polypeptide at 0. 99 Angstroms resolution.

• PDB DOI: https://doi.org/10.2210/pdb2BF9/pdb

• Classification: HORMONE
• Organism(s): Meleagris gallopavo
• Mutation(s): No 


• Deposited: 2004-12-06 Released: 2004-12-08 
• Deposition Author(s): Tickle, I., Glover, I., Pitts, J., Wood, S., Blundell, T.L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 0.99 Å
• R-Value Free: 0.179 
• R-Value Observed: 0.137 

Literature

Conformational Flexibility in a Small Globular Hormone. X-Ray Analysis of Avian Pancreatic Polypeptide at 0.98 Angstroms Resolution

Glover, I., Haneef, I., Pitts, J., Wood, S., Moss, D., Tickle, I., Blundell, T.L.

(1983) Biopolymers 22: 293

• PubMed: 6673760 
• DOI: https://doi.org/10.1002/bip.360220138
• Primary Citation of Related Structures:  
  2BF9

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 PQS (software)

Macromolecule Content

• Total Structure Weight: 4.31 kDa 
• Atom Count: 385 
• Modelled Residue Count: 36 
• Deposited Residue Count: 36 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PANCREATIC HORMONE	A	36	Meleagris gallopavo	Mutation(s): 0
UniProt
Find proteins for P68249 (Meleagris gallopavo) Explore P68249  Go to UniProtKB:  P68249

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 0.99 Å
• R-Value Free: 0.179 
• R-Value Observed: 0.137 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 34.18	α = 90
b = 32.92	β = 105.26
c = 28.45	γ = 90

Software Package:

Software Name	Purpose
SHELXL-97	refinement
ON-LINE	data reduction
HRS	data scaling
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-12-08 
Deposition Author(s): Tickle, I., Glover, I., Pitts, J., Wood, S., Blundell, T.L.

Revision History  

• Version 1.0: 2004-12-08
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2019-05-22
  Changes: Data collection, Derived calculations, Other, Refinement description