1N7Q	Lyase	date	Nov 16, 2002
title	Streptococcus Pneumoniae Hyaluronate Lyase W291aw292a Doubl Complex With Hyaluronan Hexasacchride
authors	M.Nukui, K.B.Taylor, D.T.Mcpherson, M.Shigenaga, M.J.Jedrzejas
compound		source
Molecule: Hyaluronidase Chain: A Synonym: Hyaluronate Lyase Ec: 4.2.2.1 Engineered: Yes Mutation: Yes		Organism_scientific: Streptococcus Pneumoniae Organism_taxid: 1313 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet20
symmetry	Space Group: P 21 21 21	R_factor 0.174 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 84.262 101.998 103.120 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	BDP, GTR, NAG	enzyme	Lyase E.C.4.2.2.1 BRENDA
related structures	by homologous chain: 1N7R
Gene Ontology	Chain Function Process Component A
Primary reference	The function of hydrophobic residues in the catalytic cleft of Streptococcus pneumoniae hyaluronate lyase. Kinetic characterization of mutant enzyme forms., Nukui M, Taylor KB, McPherson DT, Shigenaga MK, Jedrzejas MJ, J Biol Chem 2003 Jan 31;278(5):3079-88. Epub 2002 Nov 21. PMID:12446724

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (134 Kb) [Save to disk] Biological Unit Coordinates (1n7q.pdb1.gz) 126 Kb LPC: Ligand-Protein Contacts for 1N7Q CSU: Contacts of Structural Units for 1N7Q Likely Quarternary Molecular Structure file(s) for 1N7Q Structure Factors (544 Kb) Retrieve 1N7Q in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1N7Q from S2C, [Save to disk] Re-refined 1n7q structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1N7Q 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 1N7Q

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 1N7Q, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1n7qa1, region A:170-540 [Jmol] [rasmolscript] [script source]     - Domain d1n7qa3, region A:541-814 [Jmol] [rasmolscript] [script source]     - Domain d1n7qa2, region A:815-890 [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: [1n7q] [1n7q_A] SWISS-PROT database: [Q54873] Domain organization of [HYSA_STRPN] by SWISSPFAM

Other resources with information on 1N7Q

Community annotation for 1N7Q at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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