9P1C | pdb_00009p1c

Crystal structure of human TMPRSS11A S368A interacting with its own zymogen activation motif

• PDB DOI: https://doi.org/10.2210/pdb9P1C/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2025-06-09 Released: 2025-06-18 
• Deposition Author(s): Fraser, B.J., Dong, A., Hastings, K., Wilson, R.P., Seitova, A., Li, Y., Arrowsmith, C.H.
• Funding Organization(s): Not funded

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.54 Å
• R-Value Free: 
  0.246 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.192 (Depositor), 0.198 (DCC) 
• R-Value Observed: 
  0.194 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of human TMPRSS11A S368A interacting with its own zymogen activation motif

Fraser, B.J., Dong, A., Hastings, K., Wilson, R.P., Seitova, A., Li, Y., Arrowsmith, C.H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 47.9 kDa 
• Atom Count: 1,950 
• Modeled Residue Count: 245 
• Deposited Residue Count: 418 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transmembrane protease serine 11A	A	186	Homo sapiens	Mutation(s): 0  Gene Names: TMPRSS11A, ECRG1, HATL1, HESP EC: 3.4.21
UniProt & NIH Common Fund Data Resources
Find proteins for Q6ZMR5 (Homo sapiens) Explore Q6ZMR5  Go to UniProtKB:  Q6ZMR5
PHAROS:  Q6ZMR5 GTEx:  ENSG00000187054

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Transmembrane protease serine 11A	B	232	Homo sapiens	Mutation(s): 1  Gene Names: TMPRSS11A, ECRG1, HATL1, HESP EC: 3.4.21
UniProt & NIH Common Fund Data Resources
Find proteins for Q6ZMR5 (Homo sapiens) Explore Q6ZMR5  Go to UniProtKB:  Q6ZMR5
PHAROS:  Q6ZMR5 GTEx:  ENSG00000187054
Glycosylation
Glycosylation Sites: 1		Go to GlyGen: Q6ZMR5-2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	G [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
PO4	C [auth B], D [auth B], E [auth B], F [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.54 Å
• R-Value Free:  0.246 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.192 (Depositor), 0.198 (DCC) 
• R-Value Observed: 0.194 (Depositor) 

Space Group: P 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.785	α = 90
b = 81.785	β = 90
c = 44.881	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-3000	data scaling
HKL-3000	data reduction
PHASER	phasing
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-06-18 
Deposition Author(s): Fraser, B.J., Dong, A., Hastings, K., Wilson, R.P., Seitova, A., Li, Y., Arrowsmith, C.H.

---

Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-06-18
  Type: Initial release