2IDC - JenaLib

Asym./Biol. Unit (Jmol Viewer)

Title :   STRUCTURE OF THE HISTONE H3-ASF1 CHAPERONE INTERACTION

Authors :   A. J. Antczak, T. Tsubota, P. D. Kaufman, J. M. Berger

Date :   14 Sep 06 (Deposition) - 30 Jan 07 (Release) - 14 Jun 17 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.20

Chains :   Asym./Biol. Unit : A

Keywords :   Ig-Like Fold, Asf1, H3, Histone, Chaperone, Chromatin, Replication- Chaperone Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   A. J. Antczak, T. Tsubota, P. D. Kaufman, J. M. Berger
Structure Of The Yeast Histone H3-Asf1 Interaction: Implications For Chaperone Mechanism, Species-Specific Interactions, And Epigenetics.
Bmc Struct. Biol. V. 6 26 2006
PubMed-ID: 17166288 | Reference-DOI: 10.1186/1472-6807-6-26

Molecule 1 - ANTI-SILENCING PROTEIN 1 AND HISTONE H3 CHIMERA
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21
	Expression System Plasmid	:	PET28B
	Expression System Strain	:	BL21
	Expression System Taxid	:	511693
	Expression System Vector Type	:	PLASMID
	Fragment	:	ASF1, RESIDUES 2-155 AND H3, RESIDUES 121-134
	Gene	:	ASF1, CIA1, YJL115W, J0755, HHT1, YBR010W, YBR0201, HHT2, SIN2, YNL031C, N2749
	Organism Common	:	BAKER'S YEAST
	Organism Scientific	:	SACCHAROMYCES CEREVISIAE
	Organism Taxid	:	559292
	Strain	:	ATCC 204508 / S288C
	Synonym	:	HISTONE CHAPERONE ASF1, ANTI-SILENCING FUNCTION PROTEIN 1, YASF1

		1
Asymmetric/Biological Unit	:	A

Summary Information (see also Sequences/Alignments below)

(no "Ligand,Modified Residues,Ions" information available for 2IDC)

(no "Site" information available for 2IDC)

(no "SS Bond" information available for 2IDC)

Asymmetric/Biological Unit

No.	Residues
1	Ala A:1	-	Ser A:2
2	Asn A:14	-	Pro A:15
3	Gly A:63	-	Pro A:64

(no "SAP(SNP)/Variant" information available for 2IDC)

(no "PROSITE Motif" information available for 2IDC)

Asymmetric/Biological Unit (1, 1)

	ENSEMBL					UniProtKB			PDB
No.	Transcript ID	Exon	Exon ID	Genome Location	Length	ID	Location	Length	Count	Location	Length
1.1	YJL115W	1	YJL115W.1	X:196284-197123	840	ASF1_YEAST	1-279	279	1	A:1-174 (gaps)	261

Asymmetric/Biological Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
	Number of residues per labelling interval =
	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
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Chain A from PDB  Type:PROTEIN  Length:167
 aligned with ASF1_YEAST | P32447 from UniProtKB/Swiss-Prot  Length:279

    Alignment length:261
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260 
           ASF1_YEAST     1 MSIVSLLGIKVLNNPAKFTDPYEFEITFECLESLKHDLEWKLTYVGSSRSLDHDQELDSILVGPVPVGVNKFVFSADPPSAELIPASELVSVTVILLSCSYDGREFVRVGYYVNNEYDEEELRENPPAKVQVDHIVRNILAEKPRVTRFNIVWDNENEGDLYPPEQPGVDDEEEEDDEEEDDDEDDEDDEDDDQEDGEGEAEEAAEEEEEEEEKTEDNETNLEEEEEDIENSDGDEEEGEEEVGSVDKNEDGNDKKRRKIE 261
               SCOP domains d2idca_ A: automated matches                                                                                                                                                                                                                                          SCOP domains
               CATH domains 2idcA00 A:1-174 ASF1-like                                                                                                                                                                                                                                             CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeeee...ee....eeeeeeeee.......eeeeeee.....hhhhheeeeeeee.....eeeeeeeee...hhhhh........eeeeeeeee..eeeeeeeeeeeeee.hhhhhhh.....hhh.eeeee.....eeee.......------------------------------------------------..------------hhhhhh----------------------------------hhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 1 Exon 1.1  PDB: A:1-174 (gaps) UniProt: 1-279 [INCOMPLETE]                                                                                                                                                                                                             Transcript 1
                 2idc A   1 ASIVSLLGIKVLNNPAKFTDPYEFEITFECLESLKHDLEWKLTYVGSSRSLDHDQELDSILVGPVPVGVNKFVFSADPPSAELIPASELVSVTVILLSCSYDGREFVRVGYYVNNEYDEEELRENPPAKVQVDHIVRNILAEKPRVTRFNIVWDN------------------------------------------------AA------------KEIKLA----------------------------------RRLR 174
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150    |    -         -         -         -         -   ||    -       167  |      -         -         -       173 
                                                                                                                                                                                    155                                              156|          165  170                                171   
                                                                                                                                                                                                                                      157

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
		→ Modified Residue	(blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Asymmetric/Biological Unit

Classes(

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Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All beta proteins (24004)

Fold: Immunoglobulin-like beta-sandwich (7299)

Superfamily: ASF1-like (13)

Family: ASF1-like (13)

Protein domain: automated matches (2)

Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] (2)

d2idca_

Asymmetric/Biological Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Beta (13760)

Architecture: Sandwich (5577)

Topology: Immunoglobulin-like (3897)

Homologous Superfamily: ASF1-like (13)

Baker's yeast (Saccharomyces cerevisiae) (4)

2idcA00

A:1-174

(no "Pfam Domain" information available for 2IDC)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (ASF1_YEAST | P32447)

molecular function
	GO:0042393	histone binding	Interacting selectively and non-covalently with a histone, any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes. They are involved in the condensation and coiling of chromosomes during cell division and have also been implicated in nonspecific suppression of gene activity.
	GO:0005515	protein binding	Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
	GO:0006335	DNA replication-dependent nucleosome assembly	The formation of nucleosomes on newly replicated DNA, coupled to strand elongation.
	GO:0006336	DNA replication-independent nucleosome assembly	The formation of nucleosomes outside the context of DNA replication.
	GO:0006333	chromatin assembly or disassembly	The formation or destruction of chromatin structures.
	GO:0030466	chromatin silencing at silent mating-type cassette	Repression of transcription at silent mating-type loci by alteration of the structure of chromatin.
	GO:0006348	chromatin silencing at telomere	Repression of transcription of telomeric DNA by altering the structure of chromatin.
	GO:0033523	histone H2B ubiquitination	The modification of histone H2B by addition of ubiquitin groups.
	GO:0016573	histone acetylation	The modification of a histone by the addition of an acetyl group.
	GO:0043486	histone exchange	The replacement, within chromatin, of resident histones or histone subunits with alternative, sometimes variant, histones or subunits.
	GO:0006334	nucleosome assembly	The aggregation, arrangement and bonding together of a nucleosome, the beadlike structural units of eukaryotic chromatin composed of histones and DNA.
	GO:0006337	nucleosome disassembly	The controlled breakdown of nucleosomes, the beadlike structural units of eukaryotic chromatin composed of histones and DNA.
	GO:0035066	positive regulation of histone acetylation	Any process that activates or increases the frequency, rate or extent of the addition of an acetyl group to a histone protein.
	GO:0032968	positive regulation of transcription elongation from RNA polymerase II promoter	Any process that activates or increases the frequency, rate or extent of transcription elongation, the extension of an RNA molecule after transcription initiation and promoter clearance by the addition of ribonucleotides, catalyzed by RNA polymerase II.
	GO:0010468	regulation of gene expression	Any process that modulates the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
	GO:0043618	regulation of transcription from RNA polymerase II promoter in response to stress	Any process that modulates the frequency, rate or extent of transcription from an RNA polymerase II promoter as a result of a stimulus indicating the organism is under stress. The stress is usually, but not necessarily, exogenous (e.g. temperature, humidity, ionizing radiation).
	GO:0006355	regulation of transcription, DNA-templated	Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
	GO:0006351	transcription, DNA-templated	The cellular synthesis of RNA on a template of DNA.
cellular component
	GO:0000781	chromosome, telomeric region	The terminal region of a linear chromosome that includes the telomeric DNA repeats and associated proteins.
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
	GO:0005634	nucleus	A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

Asymmetric/Biological Unit
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	Cis Peptide Bonds
		Ala A:1 - Ser A:2	[ RasMol ]
		Asn A:14 - Pro A:15	[ RasMol ]
		Gly A:63 - Pro A:64	[ RasMol ]

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1roc	THE YEAST ASF1 PROTEIN ALONE

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (0, 0)

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SS Bonds (0, 0)

Cis Peptide Bonds (3, 3)

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Exons (1, 1)

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SCOP Domains (1, 1)

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