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(-) Description

Title :  REFINED STRUCTURE OF YEAST INORGANIC PYROPHOSPHATASE AND ITS K61R MUTANT
 
Authors :  K. Swaminathan, B. S. Cooperman, R. Lahti, D. Voet
Date :  26 Dec 97  (Deposition) - 08 Apr 98  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Hydrolase, Magnesium, 3D-Structure (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. Swaminathan, B. S. Cooperman, R. Lahti, D. Voet
Refined Structure Of Yeast Inorganic Pyrophosphatase And Its K61R Mutant
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - INORGANIC PYROPHOSPHATASE
    Chains: A, B
    EC Number: 3.6.1.1
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Mutation: YES
    Organism Common: BAKER'S YEAST
    Organism Scientific: SACCHAROMYCES CEREVISIAE
    Organism Taxid: 4932

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1MG2Ligand/IonMAGNESIUM ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:115 , ASP A:120 , ASP A:152 , HOH A:283 , HOH A:284 , HOH A:285BINDING SITE FOR RESIDUE MG A 282
2AC2SOFTWAREASP B:115 , ASP B:120 , ASP B:152 , HOH B:285 , HOH B:286 , HOH B:287BINDING SITE FOR RESIDUE MG B 282

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Phe A:84 -Pro A:85
2Phe B:84 -Pro B:85

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PPASEPS00387 Inorganic pyrophosphatase signature.IPYR_YEAST116-122
 		  2A:115-121
B:115-121

(-) Exons   (1, 2)

Asymmetric/Biological Unit (1, 2)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1YBR011C1YBR011C.1II:257973-257110864IPYR_YEAST1-2872872A:1-281
B:1-281		281
281

(-) 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:281
 aligned with IPYR_YEAST | P00817 from UniProtKB/Swiss-Prot  Length:287

    Alignment length:281
                                    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       271       281 
           IPYR_YEAST     2 TYTTRQIGAKNTLEYKVYIEKDGKPVSAFHDIPLYADKENNIFNMVVEIPRWTNAKLEITKEETLNPIIQDTKKGKLRFVRNCFPHHGYIHNYGAFPQTWEDPNVSHPETKAVGDNDPIDVLEIGETIAYTGQVKQVKALGIMALLDEGETDWKVIAIDINDPLAPKLNDIEDVEKYFPGLLRATNEWFRIYKIPDGKPENQFAFSGEAKNKKYALDIIKETHDSWKQLIAGKSSDSKGIDLTNVTLPDTPTYSKAASDAIPPASPKADAPIDKSIDKWFF 282
               SCOP domains d1huja_ A: Inorganic pyrophosphatase                                                                                                                                                                                                                                                      SCOP domains
               CATH domains 1hujA00 A:1-281 Inorganic Pyrophosphatase                                                                                                                                                                                                                                                 CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee......eeeeee..eee...........hhh.eeeeeeee.......eee........eee.....................eeeee.......................eeee..........eeeeeeeeee..........eeeeee.....hhh...hhhhhhh...hhhhhhhhhhh..hhh.......hhhh....hhhhhhhhhhhhhhhhhhhh.......................hhhhhh....eee......hhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------PPASE  ---------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 1 Exon 1.1  PDB: A:1-281 UniProt: 1-287 [INCOMPLETE]                                                                                                                                                                                                                                        Transcript 1
                 1huj A   1 TYTTRQIGAKNTLEYKVYIEKDGKPVSAFHDIPLYADKENNIFNMVVEIPRWTNAKLEITREETLNPIIQDTKKGKLRFVRNCFPHHGYIHNYGAFPQTWEDPNVSHPETKAVGDNDPIDVLEIGETIAYTGQVKQVKALGIMALLDEGETDWKVIAIDINDPLAPKLNDIEDVEKYFPGLLRATNEWFRIYKIPDGKPENQFAFSGEAKNKKYALDIIKETHDSWKQLIAGKSSDSKGIDLTNVTLPDTPTYSKAASDAIPPASLKADAPIDKSIDKWFF 281
                                    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       260       270       280 


Chain B from PDB  Type:PROTEIN  Length:281
 aligned with IPYR_YEAST | P00817 from UniProtKB/Swiss-Prot  Length:287

    Alignment length:281
                                    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       271       281 
           IPYR_YEAST     2 TYTTRQIGAKNTLEYKVYIEKDGKPVSAFHDIPLYADKENNIFNMVVEIPRWTNAKLEITKEETLNPIIQDTKKGKLRFVRNCFPHHGYIHNYGAFPQTWEDPNVSHPETKAVGDNDPIDVLEIGETIAYTGQVKQVKALGIMALLDEGETDWKVIAIDINDPLAPKLNDIEDVEKYFPGLLRATNEWFRIYKIPDGKPENQFAFSGEAKNKKYALDIIKETHDSWKQLIAGKSSDSKGIDLTNVTLPDTPTYSKAASDAIPPASPKADAPIDKSIDKWFF 282
               SCOP domains d1hujb_ B: Inorganic pyrophosphatase                                                                                                                                                                                                                                                      SCOP domains
               CATH domains 1hujB00 B:1-281 Inorganic Pyrophosphatase                                                                                                                                                                                                                                                 CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeee........eeeee.....................eeeeeeee.......eee........eee.....................eeeee.......................eeee..........eeeeeeeeeeee......eeeeeeee.....hhh...hhhhhhh...hhhhhhhhhhh..hhh........hhh....hhhhhhhhhhhhhhhhhhh........................hhhhh..............hhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------PPASE  ---------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 1 Exon 1.1  PDB: B:1-281 UniProt: 1-287 [INCOMPLETE]                                                                                                                                                                                                                                        Transcript 1
                 1huj B   1 TYTTRQIGAKNTLEYKVYIEKDGKPVSAFHDIPLYADKENNIFNMVVEIPRWTNAKLEITREETLNPIIQDTKKGKLRFVRNCFPHHGYIHNYGAFPQTWEDPNVSHPETKAVGDNDPIDVLEIGETIAYTGQVKQVKALGIMALLDEGETDWKVIAIDINDPLAPKLNDIEDVEKYFPGLLRATNEWFRIYKIPDGKPENQFAFSGEAKNKKYALDIIKETHDSWKQLIAGKSSDSKGIDLTNVTLPDTPTYSKAASDAIPPASLKADAPIDKSIDKWFF 281
                                    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       260       270       280
   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
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (7, 7)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (IPYR_YEAST | P00817)
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:0004427    inorganic diphosphatase activity    Catalysis of the reaction: diphosphate + H(2)O = H(+) + 2 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: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).
biological process
    GO:0006796    phosphate-containing compound metabolic process    The chemical reactions and pathways involving the phosphate group, the anion or salt of any phosphoric acid.
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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  1huj
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  IPYR_YEAST | P00817
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 Related Entries

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

UniProtKB/Swiss-Prot
        IPYR_YEAST | P00817: 117e 1e6a 1e9g 1huk 1m38 1pyp 1wgi 1wgj 1ypp 2ihp 2ik0 2ik1 2ik2 2ik4 2ik6 2ik7 2ik9 8prk

(-) Related Entries Specified in the PDB File

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