1O9K	Apoptosis	date	Dec 16, 2002
title	Crystal Structure Of The Retinoblastoma Tumour Suppressor Protein Bound To E2f Peptide
authors	B.Xiao, J.Spencer, A.Clements, N.Ali-Khan, S.Mittnacht, C.Broceno M.Burghammer, A.Perrakis, R.Marmorstein, S.J.Gamblin
compound		source
Molecule: Retinoblastoma-Associated Protein Chain: A, C, E, G Fragment: Domain A, Residues 372-589 Synonym: P105-Rb, Prb Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Retinoblastoma-Associated Protein Chain: B, D, F, H Fragment: Domain B, Residues 636-787 Synonym: P105-Rb, Prb Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Transcription Factor E2f1 Chain: P, Q, R, S Fragment: Residues 409-426 Synonym: Pbr3, Prb-Binding Protein E2f-1, Retinoblastoma-As Protein 1		Synthetic: Yes Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
symmetry	Space Group: C 1 2 1	R_factor 0.229 R_Free 0.285
crystal cell	length a length b length c angle alpha angle beta angle gamma 101.996 158.548 110.617 90.00 93.70 90.00
method	X-Ray Diffraction	resolution	2.60 Å
related structures	by homologous chain: 1AD6, 1N4M
Gene Ontology	Chain Function Process Component A, E, C, G F, B, H, D
Primary reference	Crystal structure of the retinoblastoma tumor suppressor protein bound to E2F and the molecular basis of its regulation., Xiao B, Spencer J, Clements A, Ali-Khan N, Mittnacht S, Broceno C, Burghammer M, Perrakis A, Marmorstein R, Gamblin SJ, Proc Natl Acad Sci U S A 2003 Mar 4;100(5):2363-8. PMID:12598654

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (247 Kb) [Save to disk] Biological Unit Coordinates (1o9k.pdb1.gz) 62 Kb Biological Unit Coordinates (1o9k.pdb2.gz) 62 Kb Biological Unit Coordinates (1o9k.pdb3.gz) 62 Kb Biological Unit Coordinates (1o9k.pdb4.gz) 62 Kb CSU: Contacts of Structural Units for 1O9K Likely Quarternary Molecular Structure file(s) for 1O9K Structure Factors (393 Kb) Retrieve 1O9K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1O9K from S2C, [Save to disk] Re-refined 1o9k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1O9K in 3D

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Visual 3D analysis of 1O9K

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1O9K, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1o9ka_, region A [Jmol] [rasmolscript] [script source]     - Domain d1o9kb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1o9kc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1o9kd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1o9ke_, region E [Jmol] [rasmolscript] [script source]     - Domain d1o9kf_, region F [Jmol] [rasmolscript] [script source]     - Domain d1o9kg_, region G [Jmol] [rasmolscript] [script source]     - Domain d1o9kh_, region H [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: [1o9k_R] [1o9k_B] [1o9k_E] [1o9k_F] [1o9k_H] [1o9k_P] [1o9k_G] [1o9k] [1o9k_C] [1o9k_S] [1o9k_D] [1o9k_Q] [1o9k_A] SWISS-PROT database: [Q01094] [P06400] Domain organization of [E2F1_HUMAN] [RB_HUMAN] by SWISSPFAM Domains found in 1O9K: [CYCLIN] [RB_A ] by SMART

Other resources with information on 1O9K

Community annotation for 1O9K at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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