3EYC	Transport Protein	date	Oct 20, 2008
title	New Crystal Structure Of Human Tear Lipocalin In Complex Wit Butanediol In Space Group P21
authors	D.A.Breustedt, L.Keil, A.Skerra
compound		source
Molecule: Lipocalin-1 Chain: A, B, C, D Fragment: Residues 5-166 Synonym: Von Ebner Gland Protein, Veg Protein, Tear Prealbu Tear Lipocalin, Tlc; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Lcn1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm83 Expression_system_vector_type: Plasmid Expression_system_plasmid: Ptlc3
symmetry	Space Group: P 1 21 1	R_factor 0.228 R_Free 0.274
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.907 34.166 143.481 90.00 90.35 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	BU1	enzyme
note	3EYC (Molecule of the Month:pdb193)
Gene Ontology	Chain Function Process Component A, D, C, B cysteine-type endopeptidase ...
Primary reference	A new crystal form of human tear lipocalin reveals high flexibility in the loop region and induced fit in the ligand cavity., Breustedt DA, Chatwell L, Skerra A, Acta Crystallogr D Biol Crystallogr. 2009 Oct;65(Pt 10):1118-25. Epub 2009, Sep 16. PMID:19770509

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (96 Kb) [Save to disk] Biological Unit Coordinates (3eyc.pdb1.gz) 25 Kb Biological Unit Coordinates (3eyc.pdb2.gz) 24 Kb Biological Unit Coordinates (3eyc.pdb3.gz) 24 Kb Biological Unit Coordinates (3eyc.pdb4.gz) 24 Kb LPC: Ligand-Protein Contacts for 3EYC CSU: Contacts of Structural Units for 3EYC Structure Factors (152 Kb) Retrieve 3EYC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3EYC from S2C, [Save to disk] Re-refined 3eyc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3EYC 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 3EYC

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 3EYC, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3eyc_B] [3eyc] [3eyc_A] [3eyc_C] [3eyc_D] SWISS-PROT database: [P31025] Domain organization of [LCN1_HUMAN] by SWISSPFAM

Other resources with information on 3EYC

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

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