1N12	Chaperone	date	Oct 16, 2002
title	Crystal Structure Of The Pape (N-Terminal-Deleted) Pilus Subunit Bound To A Peptide Corresponding To The N-Terminal Extension Of The Papk Pilus Subunit (Residues 1-11) From Uropathogenic E. Coli
authors	F.G.Sauer, J.S.Pinkner, G.Waksman, S.J.Hultgren
compound		source
Molecule: Mature Fimbrial Protein Pape Chain: A, C Fragment: Residue 25-173, Residue 26-36 Deleted Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Peptide Corresponding To The N-Terminal Extension Of Protein Papk; Chain: B, D Fragment: Residue 22-32 Engineered: Yes		Synthetic: Yes Other_details: Synthesized Peptide
symmetry	Space Group: P 1 21 1	R_factor 0.208 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 25.254 91.922 51.244 90.00 99.26 90.00
method	X-Ray Diffraction	resolution	1.87 Å
ligand	MSE	enzyme
note	1N12 is a representative structure
related structures	by homologous chain: 1N0L
Gene Ontology	Chain Function Process Component A, C
Primary reference	Chaperone priming of pilus subunits facilitates a topological transition that drives fiber formation., Sauer FG, Pinkner JS, Waksman G, Hultgren SJ, Cell 2002 Nov 15;111(4):543-51. PMID:12437927

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk] Biological Unit Coordinates (1n12.pdb1.gz) 26 Kb Biological Unit Coordinates (1n12.pdb2.gz) 25 Kb LPC: Ligand-Protein Contacts for 1N12 CSU: Contacts of Structural Units for 1N12 Likely Quarternary Molecular Structure file(s) for 1N12 Structure Factors (147 Kb) Retrieve 1N12 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1N12 from S2C, [Save to disk] Re-refined 1n12 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1N12 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 1N12

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 1N12, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1n12a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1n12c_, 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: [1n12] [1n12_A] [1n12_C] [1n12_D] [1n12_B] SWISS-PROT database: [P08407] [P42191] Domain organization of [PAPE_ECOLX] [PRSK_ECOLX] by SWISSPFAM

Other resources with information on 1N12

Community annotation for 1N12 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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