1A87	Bacteriocin	date	Apr 03, 1998
title	Colicin N
authors	I.R.Vetter, M.W.Parker, A.D.Tucker, J.H.Lakey, F.Pattus, D.Tserno
compound		source
Molecule: Colicin N Chain: A Fragment: Receptor-Binding And Pore-Forming Domain Engineered: Yes		Organism_scientific: Escherichia Coli K12 Organism_taxid: 83333 Strain: K-12 Variant: Bzb 1019 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pchap4
symmetry	Space Group: I 41 3 2	R_factor 0.173 R_Free 0.310
crystal cell	length a length b length c angle alpha angle beta angle gamma 187.300 187.300 187.300 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.10 Å
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of a colicin N fragment suggests a model for toxicity., Vetter IR, Parker MW, Tucker AD, Lakey JH, Pattus F, Tsernoglou D, Structure 1998 Jul 15;6(7):863-74. PMID:9687368

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk] Biological Unit Coordinates (1a87.pdb1.gz) 48 Kb CSU: Contacts of Structural Units for 1A87 Likely Quarternary Molecular Structure file(s) for 1A87 Retrieve 1A87 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A87 from S2C, [Save to disk]

View 1A87 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 1A87

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1A87, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a87__, region [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1a87_A] [1a87] SWISS-PROT database: [P08083] Belongs to the channel-forming colicin (colicin) family according to TCDB. Domain organization of [CEAN_ECOLX] by SWISSPFAM

Other resources with information on 1A87

Community annotation for 1A87 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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