3K8I	Membrane Protein	date	Oct 14, 2009
title	Structure Of Crystal Form Iv Of Tp0453
authors	G.Zhu, A.Luthra, D.Desrosiers, M.Koszelak-Rosenblum, V.Mulay, J.D M.G.Malkowski
compound		source
Molecule: 30klp Chain: A Fragment: Residues 27-287 Synonym: Putative Uncharacterized Protein Engineered: Yes		Organism_scientific: Treponema Pallidum Organism_taxid: 160 Gene: 30klp, Tp_0453 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet43.1a
symmetry	Space Group: P 21 21 2	R_factor 0.228 R_Free 0.271
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.416 143.727 42.916 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
Gene	TP
Gene Ontology	Chain Function Process Component A
Primary reference	The Transition from Closed to Open Conformation of Treponema pallidum Outer Membrane-associated Lipoprotein TP0453 Involves Membrane Sensing and Integration by Two Amphipathic Helices., Luthra A, Zhu G, Desrosiers DC, Eggers CH, Mulay V, Anand A, McArthur FA, Romano FB, Caimano MJ, Heuck AP, Malkowski MG, Radolf JD, J Biol Chem. 2011 Dec 2;286(48):41656-68. Epub 2011 Sep 29. PMID:21965687

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk] Biological Unit Coordinates (3k8i.pdb1.gz) 81 Kb CSU: Contacts of Structural Units for 3K8I Structure Factors (212 Kb) Retrieve 3K8I in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3K8I from S2C, [Save to disk] Re-refined 3k8i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3K8I 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 3K8I

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 3K8I, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3k8i_A] [3k8i] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3K8I

Community annotation for 3K8I at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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