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Title :   STRUCTURE OF HUMAN INOSITOL 1,3,4-TRISPHOSPHATE 5/6-KINASE

Authors :   R. D. Busam, C. Arrowsmith, H. Berglund, R. Collins, A. Edwards, U. B. Ericsson, S. Flodin, A. Flores, M. Hammarstrom, S. L. Holmberg, I. Johansson, T. Karlberg, T. Kotenyova, M. Moche, M. E. Nilsson, P. Nordlund, T. Nyman, D. Ogg, J. Sagemark, M. Sundstrom, J. Uppenberg S. Van Den Berg, J. Weigelt, C. Persson, A. G. Thorsell, B. M. Hallberg, Structural Genomics Consortium (Sgc)

Date :   26 Dec 06 (Deposition) - 13 Feb 07 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.01

Chains :   Asym./Biol. Unit : X

Keywords :   Inositol, Kinase, Itpk1, Structural Genomics, Sgc- Karolinska Institute, Structural Genomics Consortium, Sgc, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   R. D. Busam, C. Arrowsmith, H. Berglund, R. Collins, A. Edwards, U. B. Ericsson, S. Flodin, A. Flores, M. Hammarstrom, S. L. Holmberg, I. Johansson, T. Karlberg, T. Kotenyova, M. Moche, M. E. Nilsson, P. Nordlund, T. Nyman, D. Ogg, J. Sagemark, M. Sundstrom, J. Uppenberg, S. Van Den Berg, J. Weigelt, C. Persson, A. G. Thorsell, B. M. Hallberg
Structure Of Human Inositol 1, 3, 4-Trisphosphate 5/6-Kinase
To Be Published
PubMed: search
(for further references see the PDB file header)

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (1, 5)

Sites (0, 0)

SS Bonds (1, 1)

Cis Peptide Bonds (4, 4)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (0, 0)

Exons (10, 10)

Sequences/Alignments

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 X from PDB  Type:PROTEIN  Length:315
 aligned with ITPK1_HUMAN | Q13572 from UniProtKB/Swiss-Prot  Length:414

    Alignment length:317
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       
          ITPK1_HUMAN     6 KGKRVGYWLSEKKIKKLNFQAFAELCRKRGMEVVQLNLSRPIEEQGPLDVIIHKLTDVILEADQNDSQSLELVHRFQEYIDAHPETIVLDPLPAIRTLLDRSKSYELIRKIEAYMEDDRICSPPFMELTSLCGDDTMRLLEKNGLTFPFICKTRVAHGTNSHEMAIVFNQEGLNAIQPPCVVQNFINHNAVLYKVFVVGESYTVVQRPSLKNFSAGTSDRESIFFNSHNVSKPESSSVLTELDKIEGVFERPSDEVIRELSRALRQALGVSLFGIDIIINNQTGQHAVIDINAFPGYEGVSEFFTDLLNHIATVLQG 322
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains Ins134_P3_kin-2odtX01 X:6-318                                                                                                                                                                                                                                                                                            ---- Pfam domains
         Sec.struct. author ...eeeee.hhhhhhhhhhhhhhhhhhhh..eeee......hhhhh...eeee.hhhhhhhhhh.hhhhhhhhhhhhhhhhh....eee.hhhhhhhhhhhhhhhhhhhhhhhhhh........eeee...hhhhhhhhhhhh.....eeee..........eeeee.hhhhhhhh...eeeee......eeeeeeee..eeeeeeee..............eeeehhhhh...--hhhhh...........hhhhhhhhhhhhhhhhh..eeeeeeee......eeeeeeee........hhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.2a  PDB: X:6-32     --------Exon 1.4  PDB: X:41-82 UniProt: 41-82     Exon 1.5  PDB: X:83-122 UniProt: 83-122 --------------------------------Exon 1.7      Exon 1.8  PDB: X:169-224 UniProt: 169-224               ----------------------Exon 1.10  PDB: X:247-301 UniProt: 247-301             --------------------- Transcript 1 (1)
           Transcript 1 (2) --------------------------Exon 1.3 ---------------------------------------------------------------------------------Exon 1.6  PDB: X:122-155          --------------------------------------------------------------------Exon 1.9               ------------------------------------------------------Exon 1.11b             Transcript 1 (2)
                 2odt X   6 KGKRVGYWLSEKKIKKLNFQAFAELCRKRGmEVVQLNLSRPIEEQGPLDVIIHKLTDVILEADQNDSQSLELVHRFQEYIDAHPETIVLDPLPAIRTLLDRSKSYELIRKIEAYmEDDRICSPPFmELTSLCGDDTmRLLEKNGLTFPFICKTRVAHGTNSHEmAIVFNQEGLNAIQPPCVVQNFINHNAVLYKVFVVGESYTVVQRPSLKNFSAGTSDRESIFFNSHNVSKPE--SVLTELDKIEGVFERPSDEVIRELSRALRQALGVSLFGIDIIINNQTGQHAVIDINAFPGYEGVSEFFTDLLNHIATVLQG 322
                                    15        25        35|       45        55        65        75        85        95       105       115    |  125     | 135      |145       155       165   |   175       185       195       205       215       225       235   |  |245       255       265       275       285       295       305       315       
                                                         36-MSE                                                                             120-MSE    131-MSE    142-MSE                    169-MSE                                                               239  |                                                                                
                                                                                                                                                                                                                                                                      242

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 '\|'

Classification and Annotation

SCOP Domains (0, 0)

CATH Domains (0, 0)

Pfam Domains (1, 1)

Gene Ontology (27, 27)

Asymmetric/Biological Unit(hide GO term definitions)

Chain X (ITPK1_HUMAN | Q13572)

molecular function
	GO:0005524	ATP binding	Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
	GO:0003824	catalytic activity	Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
	GO:0016787	hydrolase activity	Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
	GO:0047325	inositol tetrakisphosphate 1-kinase activity	Catalysis of the reaction: 1D-myo-inositol 3,4,5,6-tetrakisphosphate + ATP = 1D-myo-inositol 1,3,4,5,6-pentakisphosphate + ADP.
	GO:0052825	inositol-1,3,4,5,6-pentakisphosphate 1-phosphatase activity	Catalysis of the reaction: inositol-1,3,4,5,6-pentakisphosphate + H2O = inositol-3,4,5,6-tetrakisphosphate + phosphate.
	GO:0052659	inositol-1,3,4,5-tetrakisphosphate 5-phosphatase activity	Catalysis of the reaction: 1D-myo-inositol 1,3,4,5-tetrakisphosphate + H2O = 1D-myo-inositol 1,3,4-trisphosphate + phosphate.
	GO:0052831	inositol-1,3,4,6-tetrakisphosphate 1-phosphatase activity	Catalysis of the reaction: inositol-1,3,4,6-tetrakisphosphate + H2O = inositol-3,4,6-trisphosphate + phosphate.
	GO:0052830	inositol-1,3,4,6-tetrakisphosphate 6-phosphatase activity	Catalysis of the reaction: inositol-1,3,4,6-tetrakisphosphate + H2O = inositol-1,3,4-trisphosphate + phosphate.
	GO:0052726	inositol-1,3,4-trisphosphate 5-kinase activity	Catalysis of the reaction: 1D-myo-inositol 1,3,4-trisphosphate + ATP = 1D-myo-inositol 1,3,4,5-tetrakisphosphate + ADP + 2 H(+).
	GO:0052725	inositol-1,3,4-trisphosphate 6-kinase activity	Catalysis of the reaction: 1D-myo-inositol 1,3,4-trisphosphate + ATP = 1D-myo-inositol 1,3,4,6-tetrakisphosphate + ADP + 2 H(+).
	GO:0052835	inositol-3,4,6-trisphosphate 1-kinase activity	Catalysis of the reaction: 1D-myo-inositol 3,4,6-trisphosphate + ATP = 1D-myo-inositol 1,3,4,6-tetrakisphosphate + ADP + 2 H(+).
	GO:0016853	isomerase activity	Catalysis of the geometric or structural changes within one molecule. Isomerase is the systematic name for any enzyme of EC class 5.
	GO:0016301	kinase activity	Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
	GO:0000287	magnesium ion binding	Interacting selectively and non-covalently with magnesium (Mg) ions.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	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: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:0007596	blood coagulation	The sequential process in which the multiple coagulation factors of the blood interact, ultimately resulting in the formation of an insoluble fibrin clot; it may be divided into three stages: stage 1, the formation of intrinsic and extrinsic prothrombin converting principle; stage 2, the formation of thrombin; stage 3, the formation of stable fibrin polymers.
	GO:0016311	dephosphorylation	The process of removing one or more phosphoric (ester or anhydride) residues from a molecule.
	GO:0043647	inositol phosphate metabolic process	The chemical reactions and pathways involving inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with one or more phosphate groups attached.
	GO:0032957	inositol trisphosphate metabolic process	The chemical reactions and pathways involving myo-inositol phosphate, 1,2,3,4,5,6-cyclohexanehexol, with three phosphate groups attached.
	GO:0021915	neural tube development	The process whose specific outcome is the progression of the neural tube over time, from its formation to the mature structure. The mature structure of the neural tube exists when the tube has been segmented into the forebrain, midbrain, hindbrain and spinal cord regions. In addition neural crest has budded away from the epithelium.
	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:0007165	signal transduction	The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell.
cellular component
	GO:0016324	apical plasma membrane	The region of the plasma membrane located at the apical end of the cell.
	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:0005622	intracellular	The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.

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