1CN4	Hematopoietic Cytokine	date	May 25, 1999
title	Erythropoietin Complexed With Extracellular Domains Of Eryth Receptor
authors	R.M.Stroud, S.W.Reid
compound		source
Molecule: Protein (Erythropoietin Receptor) Chain: A, B Fragment: Extracellular Ligand Binding Domains Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Pichia Pastoris Expression_system_taxid: 4922
Molecule: Protein (Erythropoietin) Chain: C Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.280 R_Free 0.336
crystal cell	length a length b length c angle alpha angle beta angle gamma 73.340 80.340 134.900 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
note	1CN4 supersedes 1BLW
related structures	by homologous chain: 1BUY, 1EBP, 1EER
Gene Ontology	Chain Function Process Component A, B C protein kinase activator act...
Primary reference	Efficiency of signalling through cytokine receptors depends critically on receptor orientation., Syed RS, Reid SW, Li C, Cheetham JC, Aoki KH, Liu B, Zhan H, Osslund TD, Chirino AJ, Zhang J, Finer-Moore J, Elliott S, Sitney K, Katz BA, Matthews DJ, Wendoloski JJ, Egrie J, Stroud RM, Nature 1998 Oct 1;395(6701):511-6. PMID:9774108

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (98 Kb) [Save to disk] Biological Unit Coordinates (1cn4.pdb1.gz) 93 Kb CSU: Contacts of Structural Units for 1CN4 Likely Quarternary Molecular Structure file(s) for 1CN4 Retrieve 1CN4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CN4 from S2C, [Save to disk]

View 1CN4 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 1CN4

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CN4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1cn4a2, region A:117-223 [Jmol] [rasmolscript] [script source]     - Domain d1cn4a1, region A:7-116 [Jmol] [rasmolscript] [script source]     - Domain d1cn4b2, region B:117-225 [Jmol] [rasmolscript] [script source]     - Domain d1cn4b1, region B:8-116 [Jmol] [rasmolscript] [script source]     - Domain d1cn4c_, 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: [1cn4_C] [1cn4_B] [1cn4] [1cn4_A] SWISS-PROT database: [P19235] [P01588] Domain organization of [EPOR_HUMAN] [EPO_HUMAN] by SWISSPFAM Domain found in 1CN4: [FN3 ] by SMART

Other resources with information on 1CN4

Community annotation for 1CN4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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