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(-) Description

Title :  THE CRYSTAL STRUCTURE OF HUMAN ISOPENTENYL DIPHOPHATE ISOMERASE
 
Authors :  W. Zheng, M. Bartlam, Z. Rao
Date :  12 Sep 06  (Deposition) - 20 Mar 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym./Biol. Unit :  A
Keywords :  Crystal Structure, Human Isopentenyl Diphophate Isomerase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  W. Zheng, F. Sun, M. Bartlam, X. Li, R. Li, Z. Rao
The Crystal Structure Of Human Isopentenyl Diphosphate Isomerase At 1. 7 A Resolution Reveals Its Catalytic Mechanism In Isoprenoid Biosynthesis
J. Mol. Biol. V. 366 1447 2007
PubMed-ID: 17250851  |  Reference-DOI: 10.1016/J.JMB.2006.12.055
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ISOPENTENYL-DIPHOSPHATE DELTA ISOMERASE
    ChainsA
    EC Number5.3.3.2
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPGEX-6P
    Expression System Taxid562
    Expression System Vector TypePLASMID
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymIDI1 PROTEIN

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 2)

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
1MG1Ligand/IonMAGNESIUM ION
2SO41Ligand/IonSULFATE ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:41 , HIS A:52 , GLU A:147 , GLU A:149 , HOH A:589BINDING SITE FOR RESIDUE MG A 400
2AC2SOFTWARELYS A:37 , ARG A:71 , LYS A:75 , THR A:77 , HOH A:476 , HOH A:554BINDING SITE FOR RESIDUE SO4 A 301

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1NUDIXPS51462 Nudix hydrolase domain profile.IDI1_HUMAN49-199  1A:50-200

(-) Exons   (0, 0)

(no "Exon" information available for 2ICJ)

(-) 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 A from PDB  Type:PROTEIN  Length:219
 aligned with IDI1_HUMAN | Q13907 from UniProtKB/Swiss-Prot  Length:227

    Alignment length:219
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218         
           IDI1_HUMAN     9 LDKQQVQLLAEMCILIDENDNKIGAETKKNCHLNENIEKGLLHRAFSVFLFNTENKLLLQQRSDAKITFPGCFTNTCCSHPLSNPAELEESDALGVRRAAQRRLKAELGIPLEEVPPEEINYLTRIHYKAQSDGIWGEHEIDYILLVRKNVTLNPDPNEIKSYCYVSKEELKELLKKAASGEIKITPWFKIIAATFLFKWWDNLNHLNQFVDHEKIYRM 227
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhh..eeeee.....eeeeeehhhhhhhhhhh....eeeeeeeee.....eeeeee..........ee..eee....hhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhheeeeeeeeeee.....eeeeeeeeeeee...........eeeeeeehhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhh...hhhhhh....eee. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------NUDIX  PDB: A:50-200 UniProt: 49-199                                                                                                                   ---------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2icj A  10 LDKQQVQLLAEMCILIDENDNKIGAETKKNCHLNENIEKGLLHRAFSVFLFNTENKLLLQQRSDAKITFPGCFTNTCCSHPLSNPAELEESDALGVRRAAQRRLKAELGIPLEEVPPEEINYLTRIHYKAQSDGIWGEHEIDYILLVRKNVTLNPDPNEIKSYCYVSKEELKELLKKAASGEIKITPWFKIIAATFLFKWWDNLNHLNQFVDHEKIYRM 228
                                    19        29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219         

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  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)

(no "SCOP Domain" information available for 2ICJ)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2ICJ)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (16, 16)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (IDI1_HUMAN | Q13907)
molecular function
    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: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:0004452    isopentenyl-diphosphate delta-isomerase activity    Catalysis of the reaction: isopentenyl diphosphate = dimethylallyl diphosphate.
    GO:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0030145    manganese ion binding    Interacting selectively and non-covalently with manganese (Mn) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0006695    cholesterol biosynthetic process    The chemical reactions and pathways resulting in the formation of cholesterol, cholest-5-en-3 beta-ol, the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones.
    GO:0008203    cholesterol metabolic process    The chemical reactions and pathways involving cholesterol, cholest-5-en-3 beta-ol, the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones. It is a component of the plasma membrane lipid bilayer and of plasma lipoproteins and can be found in all animal tissues.
    GO:0050992    dimethylallyl diphosphate biosynthetic process    The chemical reactions and pathways resulting in the formation of dimethylallyl diphosphate.
    GO:0008299    isoprenoid biosynthetic process    The chemical reactions and pathways resulting in the formation of any isoprenoid compound, isoprene (2-methylbuta-1,3-diene) or compounds containing or derived from linked isoprene (3-methyl-2-butenylene) residues.
    GO:0006629    lipid metabolic process    The chemical reactions and pathways involving lipids, compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent. Includes fatty acids; neutral fats, other fatty-acid esters, and soaps; long-chain (fatty) alcohols and waxes; sphingoids and other long-chain bases; glycolipids, phospholipids and sphingolipids; and carotenes, polyprenols, sterols, terpenes and other isoprenoids.
    GO:0006694    steroid biosynthetic process    The chemical reactions and pathways resulting in the formation of steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus; includes de novo formation and steroid interconversion by modification.
    GO:0008202    steroid metabolic process    The chemical reactions and pathways involving steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus.
    GO:0016126    sterol biosynthetic process    The chemical reactions and pathways resulting in the formation of sterols, steroids with one or more hydroxyl groups and a hydrocarbon side-chain in the molecule.
cellular component
    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:0005777    peroxisome    A small organelle enclosed by a single membrane, and found in most eukaryotic cells. Contains peroxidases and other enzymes involved in a variety of metabolic processes including free radical detoxification, lipid catabolism and biosynthesis, and hydrogen peroxide metabolism.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        IDI1_HUMAN | Q139072dho 2i6k 2ick

(-) Related Entries Specified in the PDB File

2ick