1AM6 | pdb_00001am6

CARBONIC ANHYDRASE II INHIBITOR: ACETOHYDROXAMATE

• PDB DOI: https://doi.org/10.2210/pdb1AM6/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 1997-06-24 Released: 1998-06-24 
• Deposition Author(s): Scolnick, L.R., Clements, A.M., Christianson, D.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.220 (Depositor) 
• R-Value Work: 
  0.160 (Depositor) 
• R-Value Observed: 
  0.160 (Depositor) 

Literature

Novel Binding Mode of Hydroxamate Inhibitors to Human Carbonic Anhydrase II

Scolnick, L.R., Clements, A.M., Liao, J., Crenshaw, L., Hellberg, M., May, J., Dean, T.R., Christianson, D.W.

(1997) J Am Chem Soc 119: 850-851

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 29.5 kDa 
• Atom Count: 2,177 
• Modeled Residue Count: 258 
• Deposited Residue Count: 259 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CARBONIC ANHYDRASE	A	259	Homo sapiens	Mutation(s): 0  EC: 4.2.1.1 (PDB Primary Data), 4.2.1.69 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P00918 (Homo sapiens) Explore P00918  Go to UniProtKB:  P00918
PHAROS:  P00918 GTEx:  ENSG00000104267

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HG	B [auth A]	MERCURY (II) ION Hg BQPIGGFYSBELGY-UHFFFAOYSA-N
HAE	D [auth A]	ACETOHYDROXAMIC ACID C2 H5 N O2 RRUDCFGSUDOHDG-UHFFFAOYSA-N
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.220 (Depositor) 
• R-Value Work:  0.160 (Depositor) 
• R-Value Observed: 0.160 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.7	α = 90
b = 41.7	β = 92
c = 73	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
CCP4	data reduction
X-PLOR	model building
X-PLOR	refinement
CCP4	data scaling
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1998-06-24 
Deposition Author(s): Scolnick, L.R., Clements, A.M., Christianson, D.W.

Revision History  

• Version 1.0: 1998-06-24
  Type: Initial release
  
• Version 1.1: 2008-03-03
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-02-07
  Changes: Data collection, Database references, Derived calculations