1NQC	Hydrolase	date	Jan 21, 2003
title	Crystal Structures Of Cathepsin S Inhibitor Complexes
authors	T.A.Pauly, T.Sulea, M.Ammirati, J.Sivaraman, D.E.Danley, M.C.Grif A.V.Kamath, I.K.Wang, E.R.Laird, R.Menard, M.Cygler, V.L.Rath
compound		source
Molecule: Cathepsin S Chain: A Ec: 3.4.22.27		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
symmetry	Space Group: P 21 21 21	R_factor 0.199 R_Free 0.219
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.900 76.500 101.900 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	C4P	enzyme	Hydrolase E.C.3.4.22.27 BRENDA
related structures	by homologous chain: 1MS6
Gene Ontology	Chain Function Process Component A
Primary reference	Specificity determinants of human cathepsin s revealed by crystal structures of complexes., Pauly TA, Sulea T, Ammirati M, Sivaraman J, Danley DE, Griffor MC, Kamath AV, Wang IK, Laird ER, Seddon AP, Menard R, Cygler M, Rath VL, Biochemistry 2003 Mar 25;42(11):3203-13. PMID:12641451

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk] Biological Unit Coordinates (1nqc.pdb1.gz) 39 Kb LPC: Ligand-Protein Contacts for 1NQC CSU: Contacts of Structural Units for 1NQC Likely Quarternary Molecular Structure file(s) for 1NQC Structure Factors (353 Kb) Retrieve 1NQC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NQC from S2C, [Save to disk] Re-refined 1nqc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1NQC 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 1NQC

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 1NQC, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1nqca_, region A [Jmol] [rasmolscript] [script source] 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: [1nqc] [1nqc_A] SWISS-PROT database: [P25774] Domain organization of [CATS_HUMAN] by SWISSPFAM Domain found in 1NQC: [Pept_C1 ] by SMART

Other resources with information on 1NQC

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

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