4QWP	co-crystal structure of chitosanase OU01 with substrate	date
authors	Lyu, Q., Liu, W., Han, B.
compound		source
symmetry		R_factor R_Free 0.204
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution	1.70
ligand	ACT, GCS, GOL	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural and biochemical insights into the degradation mechanism of chitosan by chitosanase OU01., Lyu Q, Shi Y, Wang S, Yang Y, Han B, Liu W, Jones DN, Liu W, Biochim Biophys Acta. 2015 Jul 2;1850(9):1953-1961. doi:, 10.1016/j.bbagen.2015.06.011. PMID:26145578

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (163 Kb) [Save to disk] Biological Unit Coordinates (4qwp.pdb1.gz) 77 Kb Biological Unit Coordinates (4qwp.pdb2.gz) 80 Kb LPC: Ligand-Protein Contacts for 4QWP CSU: Contacts of Structural Units for 4QWP Structure Factors (1034 Kb) Retrieve 4QWP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4QWP from S2C, [Save to disk] Re-refined 4qwp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4QWP 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 4QWP

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

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4qwp_B] [4qwp] [4qwp_A] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 4QWP

Community annotation for 4QWP at PDBWiki (http://pdbwiki.org)

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