1AF0

SERRATIA PROTEASE IN COMPLEX WITH INHIBITOR

• PDB DOI: https://doi.org/10.2210/pdb1AF0/pdb

• Classification: HYDROLASE/HYDROLASE INHIBITOR
• Organism(s): Serratia marcescens
• Mutation(s): No 


• Deposited: 1997-03-20 Released: 1998-03-25 
• Deposition Author(s): Baumann, U.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Observed: 0.242 

Literature

Crystal Structure of the 50 kDa Metallo Protease from S. Marcescens in Complex with the Synthetic Inhibitor Cbz-Leu-Ala-Nhoh

Baumann, U.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 51.11 kDa 
• Atom Count: 3,780 
• Modelled Residue Count: 470 
• Deposited Residue Count: 471 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SERRATIA PROTEASE	A	471	Serratia marcescens	Mutation(s): 0  EC: 3.4.24.40
UniProt
Find proteins for P23694 (Serratia marcescens) Explore P23694  Go to UniProtKB:  P23694

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
0Z9	J [auth A]	N-[(benzyloxy)carbonyl]-L-leucyl-N-hydroxy-L-alaninamide C17 H25 N3 O5 GFVPLCZPHFWQIY-JSGCOSHPSA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CA	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 4
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_000370 (0Z9)	J [auth A]	CBZ-LEU-ALA-NHOH	Peptide-like / Inhibitor

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Observed: 0.242 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 151	α = 90
b = 109.2	β = 90
c = 42.6	γ = 90

Software Package:

Software Name	Purpose
SHELXL	refinement
X-PLOR	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing
SHELX	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 1998-03-25 
Deposition Author(s): Baumann, U.

Revision History  

• Version 1.0: 1998-03-25
  Type: Initial release
  
• Version 1.1: 2008-05-22
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance
• Version 1.3: 2012-12-12
  Changes: Other
• Version 1.4: 2023-08-02
  Changes: Database references, Derived calculations, Refinement description