4IFS

Crystal structure of the hSSRP1 Middle domain

• PDB DOI: https://doi.org/10.2210/pdb4IFS/pdb

• Classification: TRANSCRIPTION, REPLICATION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-12-15 Released: 2014-01-29 
• Deposition Author(s): Zhang, W.J., Zeng, F.X., Shao, C., Liu, Y.W., Niu, L.W., Li, X., Teng, M.K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.93 Å
• R-Value Free: 0.221 
• R-Value Work: 0.199 
• R-Value Observed: 0.200 

Literature

Crystal structure of the hSSRP1 Middle domain

Zhang, W.J., Zeng, F.X., Shao, C., Liu, Y.W., Niu, L.W., Li, X., Teng, M.K.

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: 28.51 kDa 
• Atom Count: 1,987 
• Modelled Residue Count: 231 
• Deposited Residue Count: 243 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FACT complex subunit SSRP1	A	243	Homo sapiens	Mutation(s): 0  Gene Names: FACT80, SSRP1
UniProt & NIH Common Fund Data Resources
Find proteins for Q08945 (Homo sapiens) Explore Q08945  Go to UniProtKB:  Q08945
PHAROS:  Q08945 GTEx:  ENSG00000149136

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	B [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.93 Å
• R-Value Free: 0.221 
• R-Value Work: 0.199 
• R-Value Observed: 0.200 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 89.187	α = 90
b = 89.187	β = 90
c = 82.589	γ = 120

Software Package:

Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-01-29 
Deposition Author(s): Zhang, W.J., Zeng, F.X., Shao, C., Liu, Y.W., Niu, L.W., Li, X., Teng, M.K.

Revision History  

• Version 1.0: 2014-01-29
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description