1B5U Hydrolase date Jan 11, 1999
title Contribution Of Hydrogen Bonds To The Conformational Stability Of Human Lysozyme: Calorimetry And X-Ray Analysis Of Six Ser->Ala Mutant
authors K.Takano, Y.Yamagata, M.Kubota, J.Funahashi, S.Fujii, K.Yutani
compound source
Molecule: Protein (Lysozyme)
Chain: A
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Strain: Ah22r-
Expression_system: Saccharomyces Cerevisiae
Expression_system_common: Baker'S Yeast
Expression_system_taxid: 4932
Expression_system_strain: Ah22r-
Expression_system_plasmid: Pgel125
symmetry Space Group: P 21 21 21
R_factor 0.156 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
56.960 60.980 33.780 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand NA enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 2HEA, 2MEB

Primary referenceContribution of hydrogen bonds to the conformational stability of human lysozyme: calorimetry and X-ray analysis of six Ser --> Ala mutants., Takano K, Yamagata Y, Kubota M, Funahashi J, Fujii S, Yutani K, Biochemistry 1999 May 18;38(20):6623-9. PMID:10350481
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (30 Kb) [Save to disk]
  • Biological Unit Coordinates (1b5u.pdb1.gz) 27 Kb
  • LPC: Ligand-Protein Contacts for 1B5U
  • CSU: Contacts of Structural Units for 1B5U
  • Likely Quarternary Molecular Structure file(s) for 1B5U
  • Retrieve 1B5U in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1B5U from S2C, [Save to disk]
  • View 1B5U 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 1B5U
  • 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 1B5U, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1b5ua_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1b5u 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: [1b5u] [1b5u_A]
  • SWISS-PROT database: [P61626]
  • Domain organization of [LYSC_HUMAN] by SWISSPFAM
  • Domain found in 1B5U: [LYZ1 ] by SMART
  • Other resources with information on 1B5U
  • Community annotation for 1B5U 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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