1Q9C	Signaling Protein	date	Aug 24, 2003
title	Crystal Structure Of The Histone Domain Of Son Of Sevenless
authors	H.Sondermann, S.M.Soisson, D.Bar-Sagi, J.Kuriyan
compound		source
Molecule: Son Of Sevenless Protein Chain: A, B, C, D, E, F, G, H, I Fragment: N-Terminal Histone Domain Synonym: Sos-1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Sos1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: B834(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pproexhtb
symmetry	Space Group: P 21 21 21	R_factor 0.255 R_Free 0.292
crystal cell	length a length b length c angle alpha angle beta angle gamma 93.397 109.199 212.399 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.21 Å
ligand	MSE	enzyme
Gene Ontology	Chain Function Process Component F, A, E, B, H, C, D, I, G
Primary reference	Tandem histone folds in the structure of the N-terminal segment of the ras activator Son of Sevenless., Sondermann H, Soisson SM, Bar-Sagi D, Kuriyan J, Structure (Camb) 2003 Dec;11(12):1583-93. PMID:14656442

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (266 Kb) [Save to disk] Biological Unit Coordinates (1q9c.pdb1.gz) 30 Kb Biological Unit Coordinates (1q9c.pdb2.gz) 31 Kb Biological Unit Coordinates (1q9c.pdb3.gz) 30 Kb Biological Unit Coordinates (1q9c.pdb4.gz) 32 Kb Biological Unit Coordinates (1q9c.pdb5.gz) 32 Kb Biological Unit Coordinates (1q9c.pdb6.gz) 32 Kb Biological Unit Coordinates (1q9c.pdb7.gz) 32 Kb Biological Unit Coordinates (1q9c.pdb8.gz) 32 Kb Biological Unit Coordinates (1q9c.pdb9.gz) 33 Kb LPC: Ligand-Protein Contacts for 1Q9C CSU: Contacts of Structural Units for 1Q9C Likely Quarternary Molecular Structure file(s) for 1Q9C Structure Factors (720 Kb) Retrieve 1Q9C in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q9C from S2C, [Save to disk] Re-refined 1q9c structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q9C 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 1Q9C

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 1Q9C, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q9ca_, region A [Jmol] [rasmolscript] [script source]     - Domain d1q9cb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1q9cc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1q9cd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1q9ce_, region E [Jmol] [rasmolscript] [script source]     - Domain d1q9cf_, region F [Jmol] [rasmolscript] [script source]     - Domain d1q9cg_, region G [Jmol] [rasmolscript] [script source]     - Domain d1q9ch_, region H [Jmol] [rasmolscript] [script source]     - Domain d1q9ci_, region I [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1q9c_G] [1q9c_A] [1q9c_C] [1q9c_D] [1q9c_B] [1q9c_H] [1q9c_F] [1q9c_E] [1q9c] [1q9c_I] SWISS-PROT database: [Q07889] Domain organization of [SOS1_HUMAN] by SWISSPFAM Domain found in 1Q9C: [H2A ] by SMART

Other resources with information on 1Q9C

Community annotation for 1Q9C at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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