8SE8

HTRA-1 PD/SA bound to CKP 1G10

• PDB DOI: https://doi.org/10.2210/pdb8SE8/pdb

• Classification: PEPTIDE BINDING PROTEIN
• Organism(s): Homo sapiens, Ecballium elaterium
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2023-04-08 Released: 2024-07-03 
• Deposition Author(s): Ultsch, M.H.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.18 Å
• R-Value Free: 0.282 
• R-Value Work: 0.259 
• R-Value Observed: 0.260 

Starting Model: experimental

Literature

HTRA-1 PD/SA bound to CKP 1G10

Ultsch, M.H.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 370.05 kDa 
• Atom Count: 18,760 
• Modelled Residue Count: 2,733 
• Deposited Residue Count: 3,372 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine protease HTRA1	A, B, C, G [auth D], H [auth E], I [auth F], M [auth K], N [auth L], O [auth M], S [auth Q], T [auth R], U [auth S]	240	Homo sapiens	Mutation(s): 1  Gene Names: HTRA1, HTRA, PRSS11 EC: 3.4.21
UniProt & NIH Common Fund Data Resources
Find proteins for Q92743 (Homo sapiens) Explore Q92743  Go to UniProtKB:  Q92743
GTEx:  ENSG00000166033

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Cysteine knot peptide	D [auth I], E [auth X], F [auth Y], J [auth G], K [auth H], L [auth J], P [auth N], Q [auth O], R [auth P], V [auth T], W [auth U], X [auth V]	41	Ecballium elaterium	Mutation(s): 0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	AA [auth Y], BA [auth F], CA [auth P], Y [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	Z [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.18 Å
• R-Value Free: 0.282 
• R-Value Work: 0.259 
• R-Value Observed: 0.260 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 120.824	α = 90
b = 155.362	β = 90
c = 173.397	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
STARANISO	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-07-03 
Deposition Author(s): Ultsch, M.H.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-07-03
  Type: Initial release