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(-) Description

Title :  CRYSTAL STRUCTURE OF MJ0109 GENE PRODUCT INOSITOL MONOPHOSPHATASE
 
Authors :  B. Stec, H. Yang, K. A. Johnson, L. Chen, M. F. Roberts
Date :  06 Dec 99  (Deposition) - 08 Nov 00  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Homodimer, Complexed With Zn And Pi, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  B. Stec, H. Yang, K. A. Johnson, L. Chen, M. F. Roberts
Mj0109 Is An Enzyme That Is Both An Inositol Monophosphatase And The 'Missing' Archaeal Fructose-1, 6-Bisphosphatase.
Nat. Struct. Biol. V. 7 1046 2000
PubMed-ID: 11062561  |  Reference-DOI: 10.1038/80968
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - INOSITOL MONOPHOSPHATASE
    ChainsA, B
    EC Number3.1.3.25
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET23A(+)
    Expression System Taxid562
    Organism ScientificMETHANOCALDOCOCCUS JANNASCHII
    Organism Taxid2190

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 8)

Asymmetric/Biological Unit (2, 8)
No.NameCountTypeFull Name
1PO42Ligand/IonPHOSPHATE ION
2ZN6Ligand/IonZINC ION

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:65 , ASP A:81 , ASP A:84 , ASP A:201 , ZN A:291 , PO4 A:293BINDING SITE FOR RESIDUE ZN A 290
2AC2SOFTWAREGLU A:65 , ASP A:81 , ILE A:83 , ZN A:290 , PO4 A:293 , HOH A:633BINDING SITE FOR RESIDUE ZN A 291
3AC3SOFTWAREGLU A:65 , PO4 A:293 , HOH A:632BINDING SITE FOR RESIDUE ZN A 292
4AC4SOFTWAREGLU A:65 , ASP A:81 , ILE A:83 , ASP A:84 , GLY A:85 , SER A:86 , ARG A:198 , ASP A:201 , ZN A:290 , ZN A:291 , ZN A:292 , HOH A:632BINDING SITE FOR RESIDUE PO4 A 293
5AC5SOFTWAREGLU B:365 , ASP B:381 , ILE B:383 , ZN B:591 , PO4 B:593 , HOH B:609BINDING SITE FOR RESIDUE ZN B 590
6AC6SOFTWAREASP B:381 , ASP B:384 , ASP B:501 , ZN B:590 , PO4 B:593 , HOH B:629BINDING SITE FOR RESIDUE ZN B 591
7AC7SOFTWAREASP B:338 , GLU B:365 , ARG B:498 , PO4 B:593 , HOH B:620BINDING SITE FOR RESIDUE ZN B 592
8AC8SOFTWAREASP B:338 , GLU B:365 , ASP B:381 , ILE B:383 , ASP B:384 , GLY B:385 , SER B:386 , ARG B:498 , ASP B:501 , ZN B:590 , ZN B:591 , ZN B:592 , HOH B:629BINDING SITE FOR RESIDUE PO4 B 593

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1DK4)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1DK4)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1DK4)

(-) PROSITE Motifs  (2, 4)

Asymmetric/Biological Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IMP_1PS00629 Inositol monophosphatase family signature 1.BSUHB_METJA78-91
 
  2A:78-91
B:378-391
2IMP_2PS00630 Inositol monophosphatase family signature 2.BSUHB_METJA200-214
 
  2A:200-214
B:500-514

(-) Exons   (0, 0)

(no "Exon" information available for 1DK4)

(-) 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:252
 aligned with BSUHB_METJA | Q57573 from UniProtKB/Swiss-Prot  Length:252

    Alignment length:252
                                    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  
          BSUHB_METJA     1 MKWDEIGKNIAKEIEKEILPYFGRKDKSYVVGTSPSGDETEIFDKISEDIALKYLKSLNVNIVSEELGVIDNSSEWTVVIDPIDGSFNFINGIPFFAFCFGVFKNNEPYYGLTYEFLTKSFYEAYKGKGAYLNGRKIKVKDFNPNNIVISYYPSKKIDLEKLRNKVKRVRIFGAFGLEMCYVAKGTLDAVFDVRPKVRAVDIASSYIICKEAGALITDENGDELKFDLNATDRLNIIVANSKEMLDIILDLL 252
               SCOP domains d1dk4a_ A: Archaeal inositol monophosphatase/fructose-1,6-bisphosphatase                                                                                                                                                                                     SCOP domains
               CATH domains 1dk4A01 A:1-137 Fructose-1,6-Bisphosphatase, subunit A, domain 1                                                                         1dk4A02 A:138-252  [code=3.40.190.80, no name defined]                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhh..........eeee.....eeehhhhhhhhhhhhhhh....eeee...eee.....eeeeee...hhhhhhh......eeeeeee...eeeeeeee....eeeeee...eeee..ee......hhhhh.ee.......hhhhhhhhh.......hhhhhhhhhhh....eee......hhhhhhhhhhhhhh.........................eee.hhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------IMP_1         ------------------------------------------------------------------------------------------------------------IMP_2          -------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1dk4 A   1 MKWDEIGKNIAKEIEKEILPYFGRKDKSYVVGTSPSGDETEIFDKISEDIALKYLKSLNVNIVSEELGVIDNSSEWTVVIDPIDGSFNFINGIPFFAFCFGVFKNNEPYYGLTYEFLTKSFYEAYKGKGAYLNGRKIKVKDFNPNNIVISYYPSKKIDLEKLRNKVKRVRIFGAFGLEMCYVAKGTLDAVFDVRPKVRAVDIASSYIICKEAGALITDENGDELKFDLNATDRLNIIVANSKEMLDIILDLL 252
                                    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  

Chain B from PDB  Type:PROTEIN  Length:252
 aligned with BSUHB_METJA | Q57573 from UniProtKB/Swiss-Prot  Length:252

    Alignment length:252
                                    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  
          BSUHB_METJA     1 MKWDEIGKNIAKEIEKEILPYFGRKDKSYVVGTSPSGDETEIFDKISEDIALKYLKSLNVNIVSEELGVIDNSSEWTVVIDPIDGSFNFINGIPFFAFCFGVFKNNEPYYGLTYEFLTKSFYEAYKGKGAYLNGRKIKVKDFNPNNIVISYYPSKKIDLEKLRNKVKRVRIFGAFGLEMCYVAKGTLDAVFDVRPKVRAVDIASSYIICKEAGALITDENGDELKFDLNATDRLNIIVANSKEMLDIILDLL 252
               SCOP domains d1dk4b_ B: Archaeal inositol monophosphatase/fructose-1,6-bisphosphatase                                                                                                                                                                                     SCOP domains
               CATH domains 1dk4B01 B:301-437 Fructose-1,6-Bisphosphatase, subunit A, domain 1                                                                       1dk4B02 B:438-552  [code=3.40.190.80, no name defined]                                                              CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhh....hhhhh.eeee.....eeehhhhhhhhhhhhhhh....eeee...eee.....eeeeee...hhhhhhh......eeeeeee...eeeeeeee....eeeeee...eeee..ee............eeee.....hhhhhhh.........hhhhhhhhhhh....eeee.....hhhhhhhhhhhhhh...ee...................eeee.hhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------IMP_1         ------------------------------------------------------------------------------------------------------------IMP_2          -------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1dk4 B 301 MKWDEIGKNIAKEIEKEILPYFGRKDKSYVVGTSPSGDETEIFDKISEDIALKYLKSLNVNIVSEELGVIDNSSEWTVVIDPIDGSFNFINGIPFFAFCFGVFKNNEPYYGLTYEFLTKSFYEAYKGKGAYLNGRKIKVKDFNPNNIVISYYPSKKIDLEKLRNKVKRVRIFGAFGLEMCYVAKGTLDAVFDVRPKVRAVDIASSYIICKEAGALITDENGDELKFDLNATDRLNIIVANSKEMLDIILDLL 552
                                   310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550  

   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  (1, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (2, 4)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1DK4)

(-) Gene Ontology  (14, 14)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (BSUHB_METJA | Q57573)
molecular function
    GO:0042132    fructose 1,6-bisphosphate 1-phosphatase activity    Catalysis of the reaction: D-fructose 1,6-bisphosphate + H2O = D-fructose 6-phosphate + phosphate.
    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:0008934    inositol monophosphate 1-phosphatase activity    Catalysis of the reaction: myo-inositol 1-phosphate + H2O = myo-inositol + phosphate.
    GO:0052832    inositol monophosphate 3-phosphatase activity    Catalysis of the reaction: myo-inositol 3-phosphate + H2O = myo-inositol + phosphate.
    GO:0052833    inositol monophosphate 4-phosphatase activity    Catalysis of the reaction: myo-inositol 4-phosphate + H2O = myo-inositol + phosphate.
    GO:0052834    inositol monophosphate phosphatase activity    Catalysis of the reaction: myo-inositol phosphate + H2O = myo-inositol + phosphate.
    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:0016791    phosphatase activity    Catalysis of the hydrolysis of phosphoric monoesters, releasing inorganic phosphate.
biological process
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
    GO:0016311    dephosphorylation    The process of removing one or more phosphoric (ester or anhydride) residues from a molecule.
    GO:0006094    gluconeogenesis    The formation of glucose from noncarbohydrate precursors, such as pyruvate, amino acids and glycerol.
    GO:0046854    phosphatidylinositol phosphorylation    The process of introducing one or more phosphate groups into a phosphatidylinositol, any glycerophosphoinositol having one phosphatidyl group esterified to one of the hydroxy groups of inositol.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

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

UniProtKB/Swiss-Prot
        BSUHB_METJA | Q575731g0h 1g0i

(-) Related Entries Specified in the PDB File

1awb HUMAN INOSITOL MONOPHOSPHATASE