2IZV	Transcription	date	Jul 26, 2006
title	Crystal Structure Of Socs-4 In Complex With Elongin-B And El 2.55a Resolution
authors	J.E.Debreczeni, A.Bullock, E.Papagrigoriou, A.Turnbull, A.C.W.Pi F.Gorrec, F.Von Delft, M.Sundstrom, C.Arrowsmith, J.Weigelt, A.E S.Knapp
compound		source
Molecule: Suppressor Of Cytokine Signaling 4 Chain: A Fragment: Residues 274-437 Synonym: Socs-4 Elongin B, C Complex, Socs-4, Socs-7, Suppr Cytokine Signaling 7; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_variant: R3 Expression_system_vector: P11
Molecule: Transcription Elongation Factor B Polypeptide 2 Chain: B Synonym: Rna Polymerase II Transcription Factor Siii Subuni P18, Elongin B, Elob, Elongin 18 Kda Subunit; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_variant: R3 Expression_system_vector: P11
Molecule: Transcription Elongation Factor B Polypeptide 1 Chain: C Fragment: Residues 17-112 Synonym: Rna Polymerase II Transcription Factor Siii Subuni P15, Elongin-C, Eloc, Elongin 15 Kda Subunit; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_variant: R3 Expression_system_vector: P11
symmetry	Space Group: H 3	R_factor 0.172 R_Free 0.223
crystal cell	length a length b length c angle alpha angle beta angle gamma 154.770 154.770 67.909 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.55 Å
ligand	CL, EDO, NA	enzyme
Gene Ontology	Chain Function Process Component A B C
Primary reference	Structure of the SOCS4-ElonginB/C complex reveals a distinct SOCS box interface and the molecular basis for SOCS-dependent EGFR degradation., Bullock AN, Rodriguez MC, Debreczeni JE, Songyang Z, Knapp S, Structure. 2007 Nov;15(11):1493-504. PMID:17997974

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (66 Kb) [Save to disk] Biological Unit Coordinates (2izv.pdb1.gz) 60 Kb LPC: Ligand-Protein Contacts for 2IZV CSU: Contacts of Structural Units for 2IZV Likely Quarternary Molecular Structure file(s) for 2IZV Structure Factors (291 Kb) Retrieve 2IZV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2IZV from S2C, [Save to disk] Re-refined 2izv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2IZV 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 2IZV

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 2IZV, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2izv_C] [2izv] [2izv_A] [2izv_B] SWISS-PROT database: [Q15370] [Q15369] [Q8WXH5] Domain organization of [ELOB_HUMAN] [ELOC_HUMAN] [SOCS4_HUMAN] by SWISSPFAM Domains found in 2IZV: [SH2] [SOCS] [SOCS_box] [Skp1] [UBQ ] by SMART

Other resources with information on 2IZV

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

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