3LH4	Hydrolase Inhibitor	date	Jan 21, 2010
title	Crystal Structure Of Sialostatin L2
authors	J.F.Andersen, M.Kotsyfakis, J.Salat, H.Horka
compound		source
Molecule: Secreted Cystatin Chain: A Fragment: Unp Residues 19-132 Engineered: Yes		Organism_scientific: Ixodes Scapularis Organism_common: Blacklegged Tick, Shoulder Tick Organism_taxid: 6945 Gene: Iscw_iscw018602 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_plasmid: Pet17b
symmetry	Space Group: I 2 3	R_factor 0.173 R_Free 0.196
crystal cell	length a length b length c angle alpha angle beta angle gamma 95.451 95.451 95.451 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	GOL, SO4	enzyme
Gene	ISCW
Gene Ontology	Chain Function Process Component A
Primary reference	The crystal structures of two salivary cystatins from the tick Ixodes scapularis and the effect of these inhibitors on the establishment of Borrelia burgdorferi infection in a murine model., Kotsyfakis M, Horka H, Salat J, Andersen JF, Mol Microbiol. 2010 Jul;77(2):456-70. Epub 2010 Jun 1. PMID:20545851

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (26 Kb) [Save to disk] Biological Unit Coordinates (3lh4.pdb1.gz) 21 Kb LPC: Ligand-Protein Contacts for 3LH4 CSU: Contacts of Structural Units for 3LH4 Structure Factors (105 Kb) Retrieve 3LH4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3LH4 from S2C, [Save to disk] Re-refined 3lh4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3LH4 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 3LH4

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 3LH4, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3lh4_A] [3lh4] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3LH4: [CY ] by SMART

Other resources with information on 3LH4

Community annotation for 3LH4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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