1OKM Lyase date Jun 25, 1996
title Carbonic Anhydrase II Complex With The 1okm Inhibitor 4- Sulfonamide-[1-(4-Aminobutane)]Benzamide
authors D.Elbaum, S.K.Nair, M.W.Patchan, R.B.Thompson, D.W.Christianson
compound source
Molecule: Carbonic Anhydrase II
Chain: A
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: P 1 21 1
R_factor 0.162 R_Free 0.217
length a length b length c angle alpha angle beta angle gamma
42.700 41.700 73.000 90.00 104.60 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand HG, SAB, ZN enzyme Lyase E.C. BRENDA
related structures by homologous chain: 1CAL, 1CNK

Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk]
  • Biological Unit Coordinates (1okm.pdb1.gz) 45 Kb
  • LPC: Ligand-Protein Contacts for 1OKM
  • CSU: Contacts of Structural Units for 1OKM
  • Likely Quarternary Molecular Structure file(s) for 1OKM
  • Retrieve 1OKM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1OKM from S2C, [Save to disk]
  • View 1OKM in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1OKM
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1OKM, from MSDmotif at EBI
  • Genome occurence of 1OKM's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1okm__, region [Jmol] [rasmolscript] [script source]
  • Fold representative 1okm from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1okm_A] [1okm]
  • SWISS-PROT database: [P00918]
  • Domain organization of [CAH2_HUMAN] by SWISSPFAM
  • Domain found in 1OKM: [Carb_anhydrase ] by SMART
  • Other resources with information on 1OKM
  • Community annotation for 1OKM at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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