4KMN

Structure of cIAP1-BIR3 and inhibitor

• PDB DOI: https://doi.org/10.2210/pdb4KMN/pdb

• Classification: LIGASE/LIGASE INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-05-08 Released: 2014-05-14 
• Deposition Author(s): Li, X., Wang, J., Condon, S.M., Shi, Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.52 Å
• R-Value Free: 0.199 
• R-Value Work: 0.160 
• R-Value Observed: 0.161 

Starting Model: experimental

Literature

Structure of cIAP1-BIR3 and inhibitor

Li, X., Wang, J., Condon, S.M., Shi, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 12.79 kDa 
• Atom Count: 1,012 
• Modelled Residue Count: 103 
• Deposited Residue Count: 103 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Baculoviral IAP repeat-containing protein 2	A	103	Homo sapiens	Mutation(s): 0  Gene Names: BIRC2, API1, IAP2, MIHB, RNF48 EC: 6.3.2 (PDB Primary Data), 2.3.2.27 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for Q13490 (Homo sapiens) Explore Q13490  Go to UniProtKB:  Q13490
PHAROS:  Q13490 GTEx:  ENSG00000110330

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
436	C [auth A]	(2S)-N-{(2R)-1-[(2R,4S)-2-{[6,6'-difluoro-3'-({(2R,4S)-4-hydroxy-1-[(2S)-2-{[(2S)-2-(methylamino)propanoyl]amino}butanoyl]pyrrolidin-2-yl}methyl)-1H,1'H-2,2'-biindol-3-yl]methyl}-4-hydroxypyrrolidin-1-yl]-1-oxobutan-2-yl}-2-(methylamino)propanamide C42 H56 F2 N8 O6 PKWRMUKBEYJEIX-MNBKFCNDSA-N
PO4	D [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.52 Å
• R-Value Free: 0.199 
• R-Value Work: 0.160 
• R-Value Observed: 0.161 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.714	α = 90
b = 67.714	β = 90
c = 66.913	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-05-14 
Deposition Author(s): Li, X., Wang, J., Condon, S.M., Shi, Y.

Revision History  

• Version 1.0: 2014-05-14
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description