6HK9

Crystal structure of TEX12 F102A F109E V116A

• PDB DOI: https://doi.org/10.2210/pdb6HK9/pdb

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


• Deposited: 2018-09-06 Released: 2019-09-18 
• Deposition Author(s): Dunce, J.M., 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: 1.45 Å
• R-Value Free: 0.205 
• R-Value Work: 0.179 
• R-Value Observed: 0.181 

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 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: SAXS, light scattering

Macromolecule Content

• Total Structure Weight: 18.48 kDa 
• Atom Count: 1,536 
• Modelled Residue Count: 152 
• Deposited Residue Count: 158 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Testis-expressed protein 12	A, B	79	Homo sapiens	Mutation(s): 3  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 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MRD	L [auth B]	(4R)-2-METHYLPENTANE-2,4-DIOL C6 H14 O2 SVTBMSDMJJWYQN-RXMQYKEDSA-N
ACT	F [auth A], G [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M
CA	C [auth A], D [auth A], E [auth A], H [auth B], I [auth B], J [auth B], K [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.205 
• R-Value Work: 0.179 
• R-Value Observed: 0.181 
• Space Group: C 2 2 2₁
• Diffraction Data: https://doi.org/10.18430/m36hk9

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.233	α = 90
b = 219.712	β = 90
c = 37.501	γ = 90

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: 2019-09-18 
Deposition Author(s): Dunce, J.M., 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: 2019-09-18
  Type: Initial release
  
• Version 1.1: 2024-05-01
  Changes: Data collection, Database references, Derived calculations, Refinement description