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Asym./Biol. Unit (Jmol Viewer)

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Title :   STRUCTURE OF H-CHK1 COMPLEXED WITH AA582939

Authors :   C. Park

Date :   26 Jan 07 (Deposition) - 29 Jan 08 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.10

Chains :   Asym./Biol. Unit : A

Keywords :   Protein-Inhibitor Complex, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   Y. Tong, A. Claiborne, K. D. Stewart, C. Park, P. Kovar, Z. Chen, R. B. Credo, W. Z. Gu, S. L. Gwaltney, R. A. Judge, H. Zhang, S. H. Rosenberg, H. L. Sham, T. J. Sowin, N. H. Lin
Discovery Of 1, 4-Dihydroindeno[1, 2-C]Pyrazoles As A Novel Class Of Potent And Selective Checkpoint Kinase 1 Inhibitors.
Bioorg. Med. Chem. V. 15 2759 2007
PubMed-ID: 17287122 | Reference-DOI: 10.1016/J.BMC.2007.01.012
(for further references see the PDB file header)

Molecule 1 - SERINE/THREONINE-PROTEIN KINASE CHK1
	Chains	:	A
	EC Number	:	2.7.11.1
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Fragment	:	RESIDUES 2-270
	Organism Common	:	HUMAN
	Organism Scientific	:	HOMO SAPIENS
	Organism Taxid	:	9606

		1
Asymmetric/Biological Unit	:	A

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (1, 1)

No.	Name	Count	Type	Full Name
1	A58	1	Ligand/Ion	4-(6-{[(4-METHYLCYCLOHEXYL)AMINO]METHYL}-1,4-DIHYDROINDENO[1,2-C]PYRAZOL-3-YL)BENZOIC ACID

Asymmetric Unit (1, 1)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	GLN A:13 , THR A:14 , LEU A:15 , ALA A:36 , LYS A:38 , LEU A:84 , GLU A:85 , TYR A:86 , CYS A:87 , LEU A:137 , ASP A:148 , HOH A:1067 , HOH A:1104 , HOH A:1115	BINDING SITE FOR RESIDUE A58 A 1001

(no "SS Bond" information available for 2E9O)

(no "Cis Peptide Bond" information available for 2E9O)

Asymmetric/Biological Unit (2, 2)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_021123	R	156	Q	CHK1_HUMAN	Polymorphism	3731410	A	R	156	Q
2	UniProt	VAR_040407	E	223	V	CHK1_HUMAN	Polymorphism	35817404	A	E	223	V

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

Asymmetric/Biological Unit (2, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	PROTEIN_KINASE_ATP	PS00107	Protein kinases ATP-binding region signature.	CHK1_HUMAN	15-38	1	A:15-38
2	PROTEIN_KINASE_ST	PS00108	Serine/Threonine protein kinases active-site signature.	CHK1_HUMAN	126-138	1	A:126-138

(no "Exon" information available for 2E9O)

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
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:269
 aligned with CHK1_HUMAN | O14757 from UniProtKB/Swiss-Prot  Length:476

    Alignment length:269
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261         
           CHK1_HUMAN     2 AVPFVEDWDLVQTLGEGAYGEVQLAVNRVTEEAVAVKIVDMKRAVDCPENIKKEICINKMLNHENVVKFYGHRREGNIQYLFLEYCSGGELFDRIEPDIGMPEPDAQRFFHQLMAGVVYLHGIGITHRDIKPENLLLDERDNLKISDFGLATVFRYNNRERLLNKMCGTLPYVAPELLKRREFHAEPVDVWSCGIVLTAMLAGELPWDQPSDSCQEYSDWKEKKTYLNPWKKIDSAPLALLHKILVENPSARITIPDIKKDRWYNKPLK 270
               SCOP domains d2e9oa_ A: automated matches                                                                                                                                                                                                                                                  SCOP domains
               CATH domains 2e9oA01 A:2-97 Phosphorylase Kinase; domain 1                                                   2e9oA02 A:98-270 Transferase(Phosphotransferase) domain 1                                                                                                                     CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......eeeeeeeeee..eeeeeeee.....eeeeeeee.....hhhhhhhhhhhhhh.........eeeeeee..eeeeeee....ee.hhhh......hhhhhhhhhhhhhhhhhhhhhh.ee....hhh.eee.....eee......ee.ee..ee..............hhhhhh...hhhhhhhhhhhhhhhhhhhh..........hhhhhhhhh.....hhhhhhhhhhhhhhhhhh........hhhhhh.......... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------Q------------------------------------------------------------------V----------------------------------------------- SAPs(SNPs)
                    PROSITE -------------PROTEIN_KINASE_ATP      ---------------------------------------------------------------------------------------PROTEIN_KINAS------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2e9o A   2 AVPFVEDWDLVQTLGEGAYGEVQLAVNRVTEEAVAVKIVDMKRAVDCPENIKKEICINKMLNHENVVKFYGHRREGNIQYLFLEYCSGGELFDRIEPDIGMPEPDAQRFFHQLMAGVVYLHGIGITHRDIKPENLLLDERDNLKISDFGLATVFRYNNRERLLNKMCGTLPYVAPELLKRREFHAEPVDVWSCGIVLTAMLAGELPWDQPSDSCQEYSDWKEKKTYLNPWKKIDSAPLALLHKILVENPSARITIPDIKKDRWYNKPLK 270
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261

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(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Alpha and beta proteins (a+b) (23004)

Fold: Protein kinase-like (PK-like) (2589)

Superfamily: Protein kinase-like (PK-like) (2589)

Family: Protein kinases, catalytic subunit (1977)

Protein domain: automated matches (542)

Human (Homo sapiens) [TaxId: 9606] (452)

d2e9oa_

Asymmetric/Biological Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

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Homologous Superfamilies( (-)

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Organisms( (-)

)

Class: Alpha Beta (26913)

Architecture: 2-Layer Sandwich (8480)

Topology: Phosphorylase Kinase; domain 1 (1392)

Homologous Superfamily: Phosphorylase Kinase; domain 1 (1392)

Human (Homo sapiens) (1036)

2e9oA01

A:2-97

Class: Mainly Alpha (13335)

Architecture: Orthogonal Bundle (10391)

Topology: Transferase(Phosphotransferase); domain 1 (1379)

Homologous Superfamily: Transferase(Phosphotransferase) domain 1 (1379)

Human (Homo sapiens) (1049)

2e9oA02

A:98-270

(no "Pfam Domain" information available for 2E9O)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (CHK1_HUMAN | O14757)

molecular function
	GO:0005524	ATP binding	Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
	GO:0035402	histone kinase activity (H3-T11 specific)	Catalysis of the transfer of a phosphate group to the threonine-11 residue of the N-terminal tail of histone H3.
	GO:0016301	kinase activity	Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
	GO:0000166	nucleotide binding	Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
	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).
	GO:0004672	protein kinase activity	Catalysis of the phosphorylation of an amino acid residue in a protein, usually according to the reaction: a protein + ATP = a phosphoprotein + ADP.
	GO:0004674	protein serine/threonine kinase activity	Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate.
	GO:0016740	transferase activity	Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
	GO:0000077	DNA damage checkpoint	A cell cycle checkpoint that regulates progression through the cell cycle in response to DNA damage. A DNA damage checkpoint may blocks cell cycle progression (in G1, G2 or metaphase) or slow the rate at which S phase proceeds.
	GO:0006975	DNA damage induced protein phosphorylation	The widespread phosphorylation of various molecules, triggering many downstream processes, that occurs in response to the detection of DNA damage.
	GO:0006281	DNA repair	The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway.
	GO:0006260	DNA replication	The cellular metabolic process in which a cell duplicates one or more molecules of DNA. DNA replication begins when specific sequences, known as origins of replication, are recognized and bound by initiation proteins, and ends when the original DNA molecule has been completely duplicated and the copies topologically separated. The unit of replication usually corresponds to the genome of the cell, an organelle, or a virus. The template for replication can either be an existing DNA molecule or RNA.
	GO:0031572	G2 DNA damage checkpoint	A cell cycle checkpoint that detects and negatively regulates progression from G2 to M phase in the cell cycle in response to DNA damage.
	GO:0000086	G2/M transition of mitotic cell cycle	The mitotic cell cycle transition by which a cell in G2 commits to M phase. The process begins when the kinase activity of M cyclin/CDK complex reaches a threshold high enough for the cell cycle to proceed. This is accomplished by activating a positive feedback loop that results in the accumulation of unphosphorylated and active M cyclin/CDK complex.
	GO:0007049	cell cycle	The progression of biochemical and morphological phases and events that occur in a cell during successive cell replication or nuclear replication events. Canonically, the cell cycle comprises the replication and segregation of genetic material followed by the division of the cell, but in endocycles or syncytial cells nuclear replication or nuclear division may not be followed by cell division.
	GO:0006974	cellular response to DNA damage stimulus	Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
	GO:0071260	cellular response to mechanical stimulus	Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a mechanical stimulus.
	GO:0048096	chromatin-mediated maintenance of transcription	Maintenance of transcription by remodelling of chromatin into an 'open configuration'. Once established, this regulation is mitotically stable and is maintained over many cell divisions. It is also heritable.
	GO:0035407	histone H3-T11 phosphorylation	The modification of histone H3 by the addition of an phosphate group to a threonine residue at position 11 of the histone.
	GO:0045839	negative regulation of mitotic nuclear division	Any process that stops, prevents or reduces the rate or extent of mitosis. Mitosis is the division of the eukaryotic cell nucleus to produce two daughter nuclei that, usually, contain the identical chromosome complement to their mother.
	GO:0018107	peptidyl-threonine phosphorylation	The phosphorylation of peptidyl-threonine to form peptidyl-O-phospho-L-threonine.
	GO:0016310	phosphorylation	The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
	GO:0006468	protein phosphorylation	The process of introducing a phosphate group on to a protein.
	GO:0042127	regulation of cell proliferation	Any process that modulates the frequency, rate or extent of cell proliferation.
	GO:0010569	regulation of double-strand break repair via homologous recombination	Any process that modulates the frequency, rate or extent of the error-free repair of a double-strand break in DNA in which the broken DNA molecule is repaired using homologous sequences.
	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:2000615	regulation of histone H3-K9 acetylation	Any process that modulates the frequency, rate or extent of histone H3-K9 acetylation.
	GO:0046602	regulation of mitotic centrosome separation	Any process that modulates the frequency, rate or extent of the separation of duplicated centrosome components at the beginning of mitosis.
	GO:1901796	regulation of signal transduction by p53 class mediator	Any process that modulates the frequency, rate or extent of signal transduction by p53 class mediator.
	GO:0010767	regulation of transcription from RNA polymerase II promoter in response to UV-induced DNA damage	Any process that modulates the frequency, rate or extent of transcription from an RNA polymerase II promoter as a result of a UV damage stimulus.
	GO:0090399	replicative senescence	A cell aging process associated with the dismantling of a cell as a response to telomere shortening and/or cellular aging.
cellular component
	GO:0005813	centrosome	A structure comprised of a core structure (in most organisms, a pair of centrioles) and peripheral material from which a microtubule-based structure, such as a spindle apparatus, is organized. Centrosomes occur close to the nucleus during interphase in many eukaryotic cells, though in animal cells it changes continually during the cell-division cycle.
	GO:0000785	chromatin	The ordered and organized complex of DNA, protein, and sometimes RNA, that forms the chromosome.
	GO:0000781	chromosome, telomeric region	The terminal region of a linear chromosome that includes the telomeric DNA repeats and associated proteins.
	GO:0000794	condensed nuclear chromosome	A highly compacted molecule of DNA and associated proteins resulting in a cytologically distinct nuclear chromosome.
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005856	cytoskeleton	Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.
	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:0005615	extracellular space	That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
	GO:0043231	intracellular membrane-bounded organelle	Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.
	GO:0005815	microtubule organizing center	An intracellular structure that can catalyze gamma-tubulin-dependent microtubule nucleation and that can anchor microtubules by interacting with their minus ends, plus ends or sides.
	GO:0005654	nucleoplasm	That part of the nuclear content other than the chromosomes or the nucleolus.
	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.
	GO:0005657	replication fork	The Y-shaped region of a replicating DNA molecule, resulting from the separation of the DNA strands and in which the synthesis of new strands takes place. Also includes associated protein complexes.

Asymmetric/Biological Unit
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	2.7.11.1
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Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (1, 1)

Sites (1, 1)

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (2, 2)

PROSITE Motifs (2, 2)

Exons (0, 0)

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SCOP Domains (1, 1)

CATH Domains (2, 2)

Pfam Domains (0, 0)

Gene Ontology (44, 44)

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