1GEN

C-TERMINAL DOMAIN OF GELATINASE A

• PDB DOI: https://doi.org/10.2210/pdb1GEN/pdb

• Classification: HYDROLASE (METALLOPROTEASE)
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 1995-07-19 Released: 1996-08-17 
• Deposition Author(s): Libson, A.M., Gittis, A.G., Collier, I.E., Marmer, B.L., Goldberg, G.G., Lattman, E.E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.260 
• R-Value Work: 0.188 
• R-Value Observed: 0.188 

Literature

Crystal structure of the haemopexin-like C-terminal domain of gelatinase A.

Libson, A.M., Gittis, A.G., Collier, I.E., Marmer, B.L., Goldberg, G.I., Lattman, E.E.

(1995) Nat Struct Biol 2: 938-942

• PubMed: 7583664 
• DOI: https://doi.org/10.1038/nsb1195-938
• Primary Citation of Related Structures:  
  1GEN


• PubMed Abstract: 
  

  The crystal structure of the haemopexin-like C-terminal domain of gelatinase A reveals that it is a four-bladed beta-propeller protein. The four blades are arranged around a channel-like opening in which Ca2+ and a Na-Cl+ ion pair are bound.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 24.82 kDa 
• Atom Count: 1,677 
• Modelled Residue Count: 200 
• Deposited Residue Count: 218 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GELATINASE A	A	218	Homo sapiens	Mutation(s): 0  Gene Names: HUMAN GELATINASE A EC: 3.4.24.24
UniProt & NIH Common Fund Data Resources
Find proteins for P08253 (Homo sapiens) Explore P08253  Go to UniProtKB:  P08253
PHAROS:  P08253 GTEx:  ENSG00000087245

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CA	C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
CL	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA	E [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.260 
• R-Value Work: 0.188 
• R-Value Observed: 0.188 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.9	α = 90
b = 77.4	β = 90
c = 53.4	γ = 90

Software Package:

Software Name	Purpose
R-AXIS	data collection
X-PLOR	model building
X-PLOR	refinement
R-AXIS	data reduction
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1996-08-17 
Deposition Author(s): Libson, A.M., Gittis, A.G., Collier, I.E., Marmer, B.L., Goldberg, G.G., Lattman, E.E.

Revision History  

• Version 1.0: 1996-08-17
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2018-03-21
  Changes: Data collection, Other
• Version 1.4: 2024-10-16
  Changes: Data collection, Database references, Derived calculations, Structure summary