2CI9	Protein Binding	date	Mar 17, 2006
title	Nck1 Sh2-Domain In Complex With A Dodecaphosphopeptide From Protein Tir
authors	S.Frese, W.D.Schubert, A.C.Findeis, T.Marquardt, Y.S.Roske, T.E.B.Stradal, D.W.Heinz
compound		source
Molecule: Cytoplasmic Protein Nck1 Chain: A, B Fragment: Sh2-Domain, Residues 281-377 Synonym: Nck Adaptor Protein 1, Sh2sh3 Adaptor Protein Nck Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_plasmid: Pgex-6p-1 (Amersham Biosciences)
Molecule: Translocated Intimin Receptor Chain: L, M Fragment: Phosphopeptide Ligand Of Nck-Sh2, Residues 469-48 Engineered: Yes Other_details: The Peptide Was Synthesized Chemically		Synthetic: Yes Organism_scientific: Escherichia Coli Organism_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.196 R_Free 0.235
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.092 60.518 65.061 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.50 Å
ligand	PTR	enzyme
Primary reference	The phosphotyrosine peptide binding specificity of Nck1 and Nck2 Src homology 2 domains., Frese S, Schubert WD, Findeis AC, Marquardt T, Roske YS, Stradal TE, Heinz DW, J Biol Chem. 2006 Jun 30;281(26):18236-45. Epub 2006 Apr 24. PMID:16636066

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (51 Kb) [Save to disk] Biological Unit Coordinates (2ci9.pdb1.gz) 23 Kb Biological Unit Coordinates (2ci9.pdb2.gz) 24 Kb LPC: Ligand-Protein Contacts for 2CI9 CSU: Contacts of Structural Units for 2CI9 Likely Quarternary Molecular Structure file(s) for 2CI9 Structure Factors (254 Kb) Retrieve 2CI9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CI9 from S2C, [Save to disk] Re-refined 2ci9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2CI9 in 3D

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Visual 3D analysis of 2CI9

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 2CI9, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ci9_B] [2ci9_A] [2ci9_L] [2ci9] [2ci9_M] SWISS-PROT database: [P16333] [O50190] Domain organization of [NCK1_HUMAN] [O50190_ECOLX] by SWISSPFAM Domain found in 2CI9: [SH2 ] by SMART

Other resources with information on 2CI9

Community annotation for 2CI9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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