2ACH Proteinase Inhibitor date Apr 26, 1993
title Crystal Structure Of Cleaved Human Alpha1-Antichymotrypsin A Angstroms Resolution And Its Comparison With Other Serpins
authors U.Baumann, R.Huber, W.Bode, D.Grosse, M.Lesjak, C.B.Laurell
compound source
Molecule: Alpha 1-Antichymotrypsin
Chain: A
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606

Molecule: Alpha 1-Antichymotrypsin
Chain: B
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: P 41 21 2
R_factor 0.181 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
75.300 75.300 208.000 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.70 Å
ligand BMA, NAG, PO4 enzyme
related structures by homologous chain: 3CAA, 4CAA
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCrystal structure of cleaved human alpha 1-antichymotrypsin at 2.7 A resolution and its comparison with other serpins., Baumann U, Huber R, Bode W, Grosse D, Lesjak M, Laurell CB, J Mol Biol 1991 Apr 5;218(3):595-606. PMID:2016749
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (67 Kb) [Save to disk]
  • Biological Unit Coordinates (2ach.pdb1.gz) 62 Kb
  • Biological Unit Coordinates (2ach.pdb2.gz) 124 Kb
  • LPC: Ligand-Protein Contacts for 2ACH
  • CSU: Contacts of Structural Units for 2ACH
  • Likely Quarternary Molecular Structure file(s) for 2ACH
  • Structure Factors (106 Kb)
  • Retrieve 2ACH in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2ACH from S2C, [Save to disk]
  • Re-refined 2ach structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2ACH 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 2ACH
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2ACH, from MSDmotif at EBI
  • Genome occurence of 2ACH's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2ach.1, region A:,B [Jmol] [rasmolscript] [script source]
  • Fold representative 2ach 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: [2ach_A] [2ach] [2ach_B]
  • SWISS-PROT database: [P01011]
  • Domain organization of [AACT_HUMAN] by SWISSPFAM
  • Domain found in 2ACH: [SERPIN ] by SMART
  • Other resources with information on 2ACH
  • Community annotation for 2ACH 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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