1S4Z	Gene Regulation	date	Jan 19, 2004
title	Hp1 Chromo Shadow Domain In Complex With Pxvxl Motif Of Caf-
authors	A.Thiru, D.Nietlispach, H.R.Mott, M.Okuwaki, D.Lyon, P.R.Nielsen, M.Hirshberg, A.Verreault, N.V.Murzina, E.D.Laue
compound		source
Molecule: Chromobox Protein Homolog 1 Chain: A, B Fragment: Chromo Shadow Domain Synonym: Heterochromatin Protein 1 Homolog Beta, Hp1 Beta, Protein, M31, Heterochromatin Protein P25; Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Gene: Cbx1, Cbx Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Pet16b
Molecule: Chromatin Assembly Factor 1 Subunit A Chain: C Fragment: Chromatin Assembly Factor 1 Synonym: Caf-1 Subunit A, Chromatin Assembly Factor I P150 Caf-I 150 Kda Subunit, Caf-Ip150; Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Gene: Chaf1a, Caip150 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Pgex2t
method	Solution NMR
note	1S4Z is a representative structure
related structures	by homologous chain: 1DZ1
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural basis of HP1/PXVXL motif peptide interactions and HP1 localisation to heterochromatin., Thiru A, Nietlispach D, Mott HR, Okuwaki M, Lyon D, Nielsen PR, Hirshberg M, Verreault A, Murzina NV, Laue ED, EMBO J 2004 Feb 11;23(3):489-99. Epub 2004 Feb 5. PMID:14765118

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1187 Kb) [Save to disk] Biological Unit Coordinates (1s4z.pdb1.gz) 47 Kb CSU: Contacts of Structural Units for 1S4Z Retrieve 1S4Z in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1S4Z from S2C, [Save to disk]

View 1S4Z in 3D

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Visual 3D analysis of 1S4Z

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1S4Z, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1s4za_, region A [Jmol] [rasmolscript] [script source]     - Domain d1s4zb_, region B [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: [1s4z_B] [1s4z_A] [1s4z_C] [1s4z] SWISS-PROT database: [Q9QWF0] [P83917] Domain organization of [CAF1A_MOUSE] [CBX1_MOUSE] by SWISSPFAM Domains found in 1S4Z: [CHROMO] [ChSh ] by SMART

Other resources with information on 1S4Z

Community annotation for 1S4Z at PDBWiki (http://pdbwiki.org) NMR Ensemble (OLDERADO: core, domain and representative structure database) MMDB (Entrez's Structure Database)

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