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PDBsum entry 2enq
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Contents |
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* Residue conservation analysis
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PDB id:
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| Name: |
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Transferase
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Title:
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Solution structure of the c2 domain from human pi3-kinase p110 subunit alpha
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Structure:
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Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha isoform. Chain: a. Fragment: c2 domain. Synonym: pi3-kinase p110 subunit alpha, ptdins-3- kinase p110, pi3k. Engineered: yes
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Source:
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Homo sapiens. Human. Organism_taxid: 9606. Gene: pik3ca. Other_details: cell free protein synthesis
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NMR struc:
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20 models
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Authors:
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H.Endo,T.Nagashima,M.Yoshida,F.Hayashi,S.Yokoyama,Riken Structural Genomics/proteomics Initiative (Rsgi)
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Key ref:
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H.Endo
et al.
Solution structure of the c2 domain from human pi3-Kinase p110 subunit alpha.
To be published,
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Date:
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28-Mar-07
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Release date:
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01-Apr-08
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PROCHECK
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Headers
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References
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P42336
(PK3CA_HUMAN) -
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform from Homo sapiens
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Seq: Struc:
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1068 a.a.
158 a.a.*
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Key: |
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PfamA domain |
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Secondary structure |
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CATH domain |
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*
PDB and UniProt seqs differ
at 6 residue positions (black
crosses)
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Enzyme class 2:
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E.C.2.7.1.137
- phosphatidylinositol 3-kinase.
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Pathway:
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1-Phosphatidyl-myo-inositol Metabolism
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Reaction:
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a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol) + ATP = a 1,2-diacyl- sn-glycero-3-phospho-(1D-myo-inositol-3-phosphate) + ADP + H+
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1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol)
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ATP
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=
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1,2-diacyl- sn-glycero-3-phospho-(1D-myo-inositol-3-phosphate)
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+
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ADP
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H(+)
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Enzyme class 3:
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E.C.2.7.1.153
- phosphatidylinositol-4,5-bisphosphate 3-kinase.
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Pathway:
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Reaction:
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a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol-4,5-bisphosphate) + ATP = a 1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol-3,4,5- trisphosphate) + ADP + H+
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1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol-4,5-bisphosphate)
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ATP
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=
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1,2-diacyl-sn-glycero-3-phospho-(1D-myo-inositol-3,4,5- trisphosphate)
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+
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ADP
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H(+)
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Enzyme class 4:
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E.C.2.7.11.1
- non-specific serine/threonine protein kinase.
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Reaction:
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1.
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L-seryl-[protein] + ATP = O-phospho-L-seryl-[protein] + ADP + H+
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2.
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L-threonyl-[protein] + ATP = O-phospho-L-threonyl-[protein] + ADP + H+
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L-seryl-[protein]
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+
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ATP
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=
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O-phospho-L-seryl-[protein]
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+
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ADP
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H(+)
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L-threonyl-[protein]
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+
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ATP
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=
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O-phospho-L-threonyl-[protein]
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+
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ADP
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+
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H(+)
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Note, where more than one E.C. class is given (as above), each may
correspond to a different protein domain or, in the case of polyprotein
precursors, to a different mature protein.
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Molecule diagrams generated from .mol files obtained from the
KEGG ftp site
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}
}
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