1LXK	Lyase	date	Jun 05, 2002
title	Streptococcus Pneumoniae Hyaluronate Lyase In Complex With Tetrasaccharide Hyaluronan Substrate
authors	M.J.Jedrzejas, L.V.Mello, B.L.De Groot, S.Li
compound		source
Molecule: Hyaluronate Lyase Chain: A Synonym: Hyaluronidase Ec: 4.2.2.1 Engineered: Yes Mutation: Yes		Organism_scientific: Streptococcus Pneumoniae Organism_taxid: 1313 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21
symmetry	Space Group: P 21 21 21	R_factor 0.190 R_Free 0.239
crystal cell	length a length b length c angle alpha angle beta angle gamma 83.736 103.817 101.347 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.53 Å
ligand	BDP, NAG	enzyme	Lyase E.C.4.2.2.1 BRENDA
related structures	by homologous chain: 1N7N, 1N7O
Gene Ontology	Chain Function Process Component A
Primary reference	Mechanism of hyaluronan degradation by Streptococcus pneumoniae hyaluronate lyase. Structures of complexes with the substrate., Jedrzejas MJ, Mello LV, de Groot BL, Li S, J Biol Chem 2002 Aug 2;277(31):28287-97. PMID:11991948

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (134 Kb) [Save to disk] Biological Unit Coordinates (1lxk.pdb1.gz) 129 Kb LPC: Ligand-Protein Contacts for 1LXK CSU: Contacts of Structural Units for 1LXK Likely Quarternary Molecular Structure file(s) for 1LXK Structure Factors (1034 Kb) Retrieve 1LXK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LXK from S2C, [Save to disk] Re-refined 1lxk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1LXK 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 1LXK

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 1LXK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1lxka1, region A:171-540 [Jmol] [rasmolscript] [script source]     - Domain d1lxka3, region A:541-814 [Jmol] [rasmolscript] [script source]     - Domain d1lxka2, region A:815-889 [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: [1lxk] [1lxk_A] SWISS-PROT database: [Q54873] Domain organization of [HYSA_STRPN] by SWISSPFAM

Other resources with information on 1LXK

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

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