1YC4	Cell Cycle	date	Dec 21, 2004
title	Crystal Structure Of Human Hsp90alpha Complexed With Dihydroxyphenylpyrazoles
authors	A.Kreusch, S.Han, A.Brinker, V.Zhou, H.Choi, Y.He, S.A.Lesley, J.Ca X.Gu
compound		source
Molecule: Heat Shock Protein Hsp 90-Alpha Chain: A Fragment: Sequence Database Residues 8-223 Synonym: Hsp 86, N-Terminal Atp Binding Domain Of Hsp90alph Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hspca, Hsp90a, Hspc1 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Prset
symmetry	Space Group: C 2 2 21	R_factor 0.193 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 71.553 88.380 86.964 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.81 Å
ligand	43P BindingDB	enzyme
related structures	by homologous chain: 1AH6, 1AMW
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of human HSP90alpha-complexed with dihydroxyphenylpyrazoles., Kreusch A, Han S, Brinker A, Zhou V, Choi HS, He Y, Lesley SA, Caldwell J, Gu XJ, Bioorg Med Chem Lett. 2005 Mar 1;15(5):1475-8. PMID:15713410

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (43 Kb) [Save to disk] Biological Unit Coordinates (1yc4.pdb1.gz) 38 Kb LPC: Ligand-Protein Contacts for 1YC4 CSU: Contacts of Structural Units for 1YC4 Likely Quarternary Molecular Structure file(s) for 1YC4 Structure Factors (181 Kb) Retrieve 1YC4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1YC4 from S2C, [Save to disk] Re-refined 1yc4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1YC4 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 1YC4

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 3D motif for 1YC4, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1yc4] [1yc4_A] SWISS-PROT database: [P07900] Domain organization of [HS90A_HUMAN] by SWISSPFAM Domain found in 1YC4: [HATPase_c ] by SMART

Other resources with information on 1YC4

Community annotation for 1YC4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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