6HK8

Crystal structure of TEX12 delta-Ctip

• PDB DOI: https://doi.org/10.2210/pdb6HK8/pdb

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


• Deposited: 2018-09-06 Released: 2019-10-16 
• Deposition Author(s): Salmon, L.J., Davies, O.R.
• Funding Organization(s): Wellcome Trust, Royal Society

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.11 Å
• R-Value Free: 0.258 
• R-Value Work: 0.229 
• R-Value Observed: 0.231 

Starting Model: other

Literature

Synaptonemal complex central element extension through hierarchical assembly of SYCE2-TEX12 into alpha-fibres

Salmon, L.J., Dunce, J.M., Davies, O.R.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 generated by PISA (software)

Biological Assembly Evidence: light scattering

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Biological Assembly Evidence: SAXS

Macromolecule Content

• Total Structure Weight: 16.34 kDa 
• Atom Count: 1,146 
• Modelled Residue Count: 125 
• Deposited Residue Count: 138 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Testis-expressed protein 12	A, B	69	Homo sapiens	Mutation(s): 0  Gene Names: TEX12
UniProt & NIH Common Fund Data Resources
Find proteins for Q9BXU0 (Homo sapiens) Explore Q9BXU0  Go to UniProtKB:  Q9BXU0
PHAROS:  Q9BXU0 GTEx:  ENSG00000150783

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
DIO	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A]	1,4-DIETHYLENE DIOXIDE C4 H8 O2 RYHBNJHYFVUHQT-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.11 Å
• R-Value Free: 0.258 
• R-Value Work: 0.229 
• R-Value Observed: 0.231 
• Space Group: P 6₅ 2 2
• Diffraction Data: https://doi.org/10.18430/m36hk8

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.97	α = 90
b = 47.97	β = 90
c = 210.98	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
AMPLE	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-10-16 
Deposition Author(s): Salmon, L.J., Davies, O.R.

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Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	104158/Z/14/Z
Royal Society	United Kingdom	RG170118

Revision History  

• Version 1.0: 2019-10-16
  Type: Initial release
  
• Version 1.1: 2024-05-01
  Changes: Data collection, Database references, Refinement description