7H6A | pdb_00007h6a

THE 1.68 A CRYSTAL STRUCTURE OF HUMAN CHYMASE IN COMPLEX WITH 3-[2-(dimethylamino)-2-oxoethyl]-5-fluoro-1-(naphthalen-1-ylmethyl)indole-2-carboxylic acid (2-carboxy indole)

• PDB DOI: https://doi.org/10.2210/pdb7H6A/pdb
• Deposition Group: G_1002292 ExploreG_1002292

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


• Deposited: 2024-04-19 Released: 2025-03-05 
• Deposition Author(s): Banner, D.W., Benz, J.M., Schlatter, D., Hilpert, H.
• Funding Organization(s): Not funded

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.68 Å
• R-Value Free: 
  0.174 (Depositor), 0.185 (DCC) 
• R-Value Work: 
  0.141 (Depositor), 0.156 (DCC) 
• R-Value Observed: 
  0.143 (Depositor) 

Starting Model: experimental

Literature

Crystal structures of human Chymase and Cathepsin G

Markus, R., Tosstorff, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 25.66 kDa 
• Atom Count: 2,229 
• Modeled Residue Count: 226 
• Deposited Residue Count: 226 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chymase	A	226	Homo sapiens	Mutation(s): 2  Gene Names: CMA1, CYH, CYM EC: 3.4.21.39
UniProt & NIH Common Fund Data Resources
Find proteins for P23946 (Homo sapiens) Explore P23946  Go to UniProtKB:  P23946
PHAROS:  P23946 GTEx:  ENSG00000092009

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1AO8 (Subject of Investigation/LOI)	C [auth A]	3-[2-(dimethylamino)-2-oxoethyl]-5-fluoro-1-[(naphthalen-1-yl)methyl]-1H-indole-2-carboxylic acid C24 H21 F N2 O3 SZZHBDYOLFEVKI-UHFFFAOYSA-N
DMS	D [auth A], E [auth A]	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.68 Å
• R-Value Free:  0.174 (Depositor), 0.185 (DCC) 
• R-Value Work:  0.141 (Depositor), 0.156 (DCC) 
• R-Value Observed: 0.143 (Depositor) 

Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 74.2	α = 90
b = 74.2	β = 90
c = 49.37	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XSCALE	data scaling
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-03-05 
Deposition Author(s): Banner, D.W., Benz, J.M., Schlatter, D., Hilpert, H.

---

Funding Organization	Location	Grant Number
Not funded	Switzerland	--

Revision History  

• Version 1.0: 2025-03-05
  Type: Initial release