3K7I

Crystal structure of the E131K mutant of the Indian Hedgehog N-terminal signalling domain

• PDB DOI: https://doi.org/10.2210/pdb3K7I/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2009-10-13 Released: 2011-01-26 
• Deposition Author(s): He, Y.-X., Kang, Y., Zhang, W.J., Yu, J., Ma, G., Zhou, C.-Z.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.44 Å
• R-Value Free: 0.178 
• R-Value Work: 0.163 
• R-Value Observed: 0.164 

Starting Model: experimental

Literature

Crystal structure of the E131K mutant of the Indian Hedgehog N-terminal signalling domain

He, Y.-X., Kang, Y., Zhang, W.J., Yu, J., Ma, G., Zhou, C.-Z.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 21.47 kDa 
• Atom Count: 1,622 
• Modelled Residue Count: 157 
• Deposited Residue Count: 187 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Indian hedgehog protein	A [auth B]	187	Homo sapiens	Mutation(s): 1  Gene Names: IHH EC: 3.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q14623 (Homo sapiens) Explore Q14623  Go to UniProtKB:  Q14623
PHAROS:  Q14623 GTEx:  ENSG00000163501

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth B], D [auth B], E [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ZN	B	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.44 Å
• R-Value Free: 0.178 
• R-Value Work: 0.163 
• R-Value Observed: 0.164 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 107.43	α = 90
b = 53.19	β = 91.39
c = 35.44	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-01-26 
Deposition Author(s): He, Y.-X., Kang, Y., Zhang, W.J., Yu, J., Ma, G., Zhou, C.-Z.

Revision History  

• Version 1.0: 2011-01-26
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description