1ERN	Cytokine	date	Jan 11, 1999
title	Native Structure Of The Extracellular Domain Of Erythropoietin (Epo) Receptor [Ebp]
authors	O.Livnah, E.A.Stura, I.A.Wilson
compound		source
Molecule: Protein (Erythropoietin Receptor) Chain: A, B Fragment: Extracellular Domain Synonym: Ebp Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1	R_factor 0.216 R_Free 0.295
crystal cell	length a length b length c angle alpha angle beta angle gamma 38.760 55.680 58.430 62.65 88.31 74.97
method	X-Ray Diffraction	resolution	2.40 Å
related structures	by homologous chain: 1EBA, 1EER
Primary reference	Crystallographic evidence for preformed dimers of erythropoietin receptor before ligand activation., Livnah O, Stura EA, Middleton SA, Johnson DL, Jolliffe LK, Wilson IA, Science 1999 Feb 12;283(5404):987-90. PMID:9974392

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (72 Kb) [Save to disk] Biological Unit Coordinates (1ern.pdb1.gz) 68 Kb CSU: Contacts of Structural Units for 1ERN Likely Quarternary Molecular Structure file(s) for 1ERN Retrieve 1ERN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ERN from S2C, [Save to disk]

View 1ERN 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 1ERN

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1ERN, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1erna1, region A:10-116 [Jmol] [rasmolscript] [script source]     - Domain d1erna2, region A:117-221 [Jmol] [rasmolscript] [script source]     - Domain d1ernb1, region B:10-116 [Jmol] [rasmolscript] [script source]     - Domain d1ernb2, region B:117-222 [Jmol] [rasmolscript] [script source] Fold representative 1ern from FSSP and Dali (Families of Structurally Similar Proteins) 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: [1ern_A] [1ern_B] SWISS-PROT database: [P19235] Domain organization of [EPOR_HUMAN] by SWISSPFAM Domain found in 1ERN: [FN3 ] by SMART Alignments of the sequence of 1ERN with the sequences similar proteins can be viewed for 1ERN's classification [EPOR_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [EPOR_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 1ERN

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

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