1HCB

ENZYME-SUBSTRATE INTERACTIONS: STRUCTURE OF HUMAN CARBONIC ANHYDRASE I COMPLEXED WITH BICARBONATE

Structural Biology Knowledgebase: 1HCB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Observed: 0.177

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1HCB

Classification: LYASE(OXO-ACID)

Total Structure Weight: 28901.60

Macromolecule Entities
Molecule Chains Length Organism Details
CARBONIC ANHYDRASE I A 260 Homo sapiens EC#: 4.2.1.1 IUBMB
Gene Name(s): CA1 Gene View

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BCT
Query on BCT

A BICARBONATE ION
C H O3
BVKZGUZCCUSVTD-UHFFFAOYSA-M
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
BCT Ki: 12000000 - 15000000 nM (100) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Observed: 0.177
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 81.85 α = 90.00
b = 75.31 β = 90.00
c = 37.76 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-01-07
  • Released Date: 1994-04-30
  • Deposition author(s): Kumar, V., Kannan, K.K.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4