3QRD	Hydrolase Inhibitor	date	Feb 17, 2011
title	Crystal Structure Of L68v Mutant Of Human Cystatin C
authors	M.Orlikowska, D.Borek, Z.Otwinowski, P.Skowron, A.Szymanska
compound		source
Molecule: Cystatin-C Chain: A, B, C, D Synonym: Cystatin-3, Gamma-Trace, Neuroendocrine Basic Poly Post-Gamma-Globulin; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Cst3 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: C41(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Phd313
symmetry	Space Group: C 1 2 1	R_factor 0.214 R_Free 0.293
crystal cell	length a length b length c angle alpha angle beta angle gamma 103.123 89.876 65.154 90.00 107.03 90.00
method	X-Ray Diffraction	resolution	2.19 Å
ligand	PEG	enzyme
Gene Ontology	Chain Function Process Component A, D, C, B endopeptidase inhibitor acti... cysteine-type endopeptidase ... negative regulation of pepti...

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (80 Kb) [Save to disk] Biological Unit Coordinates (3qrd.pdb1.gz) 36 Kb Biological Unit Coordinates (3qrd.pdb2.gz) 37 Kb Biological Unit Coordinates (3qrd.pdb3.gz) 141 Kb LPC: Ligand-Protein Contacts for 3QRD CSU: Contacts of Structural Units for 3QRD Structure Factors (372 Kb) Retrieve 3QRD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3QRD from S2C, [Save to disk] Re-refined 3qrd structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3QRD 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 3QRD

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3QRD, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3qrd_A] [3qrd_B] [3qrd_D] [3qrd] [3qrd_C] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3QRD: [CY ] by SMART

Other resources with information on 3QRD

Community annotation for 3QRD at PDBWiki (http://pdbwiki.org)

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