6W74

Structure of cIAP with compound 15

• PDB DOI: https://doi.org/10.2210/pdb6W74/pdb

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


• Deposited: 2020-03-18 Released: 2020-11-18 
• Deposition Author(s): Calabrese, M.F., Schiemer, J.S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.11 Å
• R-Value Free: 0.258 
• R-Value Work: 0.187 
• R-Value Observed: 0.191 

Literature

Structural Characterization of BTK:PROTAC:cIAP Ternary Complexes: From Snapshots to Ensembles

Calabrese, M.F., Schiemer, J.S., Horst, R., Meng, Y., Montgomery, J., Xu, Y., Feng, X., Borzilleri, K., Uccello, D.P., Leverett, C., Brown, S., Che, Y., Brown, M.F., Hayward, M.M., Gilbert, A.M., Noe, M.C.

(2020) Nat Chem Biol 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 12.56 kDa 
• Atom Count: 775 
• Modelled Residue Count: 87 
• Deposited Residue Count: 99 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Baculoviral IAP repeat-containing protein 2	A	99	Homo sapiens	Mutation(s): 0  Gene Names: BIRC2, API1, MIHB, RNF48 EC: 2.3.2.27
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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TKY (Subject of Investigation/LOI)	C [auth A]	14-{[(3S)-2-(N-methyl-L-alanyl-3-methyl-L-valyl)-3-{[(1R)-1,2,3,4-tetrahydronaphthalen-1-yl]carbamoyl}-1,2,3,4-tetrahydroisoquinolin-7-yl]oxy}-3,6,9,12-tetraoxatetradecan-1-yl (3R)-3-{5-amino-4-carbamoyl-3-[4-(2,4-difluorophenoxy)phenyl]-1H-pyrazol-1-yl}piperidine-1-carboxylate C62 H79 F2 N9 O12 ZYNKGHHFEDYPKB-HQBWEIPVSA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.11 Å
• R-Value Free: 0.258 
• R-Value Work: 0.187 
• R-Value Observed: 0.191 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 49.037	α = 90
b = 33.651	β = 105.7
c = 57.61	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
BUSTER	refinement
PDB_EXTRACT	data extraction
autoPROC	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-11-18 
Deposition Author(s): Calabrese, M.F., Schiemer, J.S.

Revision History  

• Version 1.0: 2020-11-18
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Database references, Refinement description