1JCC	Membrane Protein	date	Jun 08, 2001
title	Crystal Structure Of A Novel Alanine-Zipper Trimer At 1.7 A Resolution, V13a,L16a,V20a,L23a,V27a,M30a,V34a Mutations
authors	J.Liu, J.Dai, M.Lu
compound		source
Molecule: Major Outer Membrane Lipoprotein Chain: A, B, C Synonym: Murein-Lipoprotein Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: C 1 2 1	R_factor 0.192 R_Free 0.223
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.388 33.322 71.979 90.00 102.55 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	ZN	enzyme
related structures	by homologous chain: 1EQ7, 1KFN
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Zinc-mediated helix capping in a triple-helical protein., Liu J, Dai J, Lu M, Biochemistry 2003 May 20;42(19):5657-64. PMID:12741822

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (31 Kb) [Save to disk] Biological Unit Coordinates (1jcc.pdb1.gz) 27 Kb LPC: Ligand-Protein Contacts for 1JCC CSU: Contacts of Structural Units for 1JCC Likely Quarternary Molecular Structure file(s) for 1JCC Structure Factors (113 Kb) Retrieve 1JCC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1JCC from S2C, [Save to disk] Re-refined 1jcc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1JCC 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 1JCC

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 1JCC, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1jcca_, region A [Jmol] [rasmolscript] [script source]     - Domain d1jccb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1jccc_, region C [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: [1jcc_B] [1jcc] [1jcc_C] [1jcc_A] SWISS-PROT database: [P69776] Belongs to the blp braun's lipoprotein (lpp) family according to TCDB. Domain organization of [LPP_ECOLI] by SWISSPFAM

Other resources with information on 1JCC

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

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