1CK4	Structural Protein	date	Apr 27, 1999
title	Crystal Structure Of Rat A1b1 Integrin I-Domain.
authors	M.Nolte, R.B.Pepinsky, S.Y.Venyaminov, V.Koteliansky, P.J.Gotwal M.Karpusas
compound		source
Molecule: Integrin Alpha-1 Chain: A, B Fragment: I-Domain Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cell_line: Dh5a Expression_system_vector: Pgex4t
symmetry	Space Group: P 21 21 21	R_factor 0.234 R_Free 0.299
crystal cell	length a length b length c angle alpha angle beta angle gamma 34.770 85.920 132.560 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
related structures	by homologous chain: 1QC5, 1QCY
Primary reference	Crystal structure of the alpha1beta1 integrin I-domain: insights into integrin I-domain function., Nolte M, Pepinsky RB, Venyaminov SYu, Koteliansky V, Gotwals PJ, Karpusas M, FEBS Lett 1999 Jun 11;452(3):379-85. PMID:10386626

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (82 Kb) [Save to disk] Biological Unit Coordinates (1ck4.pdb1.gz) 39 Kb Biological Unit Coordinates (1ck4.pdb2.gz) 40 Kb CSU: Contacts of Structural Units for 1CK4 Likely Quarternary Molecular Structure file(s) for 1CK4 Structure Factors (187 Kb) Retrieve 1CK4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CK4 from S2C, [Save to disk] Re-refined 1ck4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1CK4 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 1CK4

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 1CK4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ck4a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ck4b_, region B [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: [1ck4] [1ck4_B] [1ck4_A] SWISS-PROT database: [P18614] Domain organization of [ITA1_RAT] by SWISSPFAM Domain found in 1CK4: [VWA ] by SMART

Other resources with information on 1CK4

Community annotation for 1CK4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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