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(-) Description

Title :  INORGANIC PYROPHOSPHATASE
 
Authors :  J. A. Kankare, T. Salminen, A. Goldman
Date :  10 Jan 96  (Deposition) - 08 Nov 96  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (3x)
Keywords :  Hydrolase, Magnesium, Inorganic Pyrophoshatase, Inorganic Pyrophosphatase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Kankare, T. Salminen, R. Lahti, B. S. Cooperman, A. A. Baykov, A. Goldman
Structure Of Escherichia Coli Inorganic Pyrophosphatase At 2. 2 A Resolution.
Acta Crystallogr. , Sect. D V. 52 551 1996
PubMed-ID: 15299678  |  Reference-DOI: 10.1107/S0907444996000376
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - SOLUBLE INORGANIC PYROPHOSPHATASE
    Chains: A, B
    EC Number: 3.6.1.1
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (3x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2EIP)

(-) Sites  (0, 0)

(no "Site" information available for 2EIP)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Leu A:11 -Pro A:12
2Leu B:11 -Pro B:12

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PPASEPS00387 Inorganic pyrophosphatase signature.IPYR_ECOLI66-72
 		  2A:65-71
B:65-71
Biological Unit 1 (1, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PPASEPS00387 Inorganic pyrophosphatase signature.IPYR_ECOLI66-72
 		  6A:65-71
B:65-71

(-) Exons   (0, 0)

(no "Exon" information available for 2EIP)

(-) Sequences/Alignments

Asymmetric 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:168
 aligned with IPYR_ECOLI | P0A7A9 from UniProtKB/Swiss-Prot  Length:176

    Alignment length:173
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171   
           IPYR_ECOLI     2 SLLNVPAGKDLPEDIYVVIEIPANADPIKYEIDKESGALFVDRFMSTAMFYPCNYGYINHTLSLDGDPVDVLVPTPYPLQPGSVIRCRPVGVLKMTDEAGEDAKLVAVPHSKLSKEYDHIKDVNDLPELLKAQIAHFFEHYKDLEKGKWVKVEGWENAEAAKAEIVASFERAK 174
               SCOP domains d2eipa_ A: Inorganic pyrophosphatase                                                                                                                                          SCOP domains
               CATH domains 2eipA00 A:1-173 Inorganic Pyrophosphatase                                                                                                                                     CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhh..........eeeeeee......eeeee......eeeeee.........eeee............eeeee.........eeeeeeeeeeeee.--..eeeeeeee.............hhh..hhhhhhhhhhhhh.....---..eeeeee.hhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------PPASE  ------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2eip A   1 SLLNVPAGKDLPEDIYVVIEIPANADPIKYEIDKESGALFVDRFMSTAMFYPCNYGYINHTLSLDGDPVDVLVPTPYPLQPGSVIRCRPVGVLKMTD--GEDAKLVAVPHSKLSKEYDHIKDVNDLPELLKAQIAHFFEHYKDLE---WVKVEGWENAEAAKAEIVASFERAK 173
                                    10        20        30        40        50        60        70        80        90      |100       110       120       130       140    |  150       160       170   
                                                                                                                           97  |                                          145 149                        
                                                                                                                             100                                                                         


Chain B from PDB  Type:PROTEIN  Length:173
 aligned with IPYR_ECOLI | P0A7A9 from UniProtKB/Swiss-Prot  Length:176

    Alignment length:173
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171   
           IPYR_ECOLI     2 SLLNVPAGKDLPEDIYVVIEIPANADPIKYEIDKESGALFVDRFMSTAMFYPCNYGYINHTLSLDGDPVDVLVPTPYPLQPGSVIRCRPVGVLKMTDEAGEDAKLVAVPHSKLSKEYDHIKDVNDLPELLKAQIAHFFEHYKDLEKGKWVKVEGWENAEAAKAEIVASFERAK 174
               SCOP domains d2eipb_ B: Inorganic pyrophosphatase                                                                                                                                          SCOP domains
               CATH domains 2eipB00 B:1-173 Inorganic Pyrophosphatase                                                                                                                                     CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhh..........eeeeeee......eeeee......eeeeee.........eeee............eeeee.........eeeeeeeeeeeeee..eeeeeeeeee.............hhh..hhhhhhhhhhhhh.........eeeeeee.hhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------PPASE  ------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2eip B   1 SLLNVPAGKDLPEDIYVVIEIPANADPIKYEIDKESGALFVDRFMSTAMFYPCNYGYINHTLSLDGDPVDVLVPTPYPLQPGSVIRCRPVGVLKMTDEAGEDAKLVAVPHSKLSKEYDHIKDVNDLPELLKAQIAHFFEHYKDLEKGKWVKVEGWENAEAAKAEIVASFERAK 173
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170
   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 Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (11, 11)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (IPYR_ECOLI | P0A7A9)
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).
    GO:0050355    triphosphatase activity    Catalysis of the reaction: H(2)O + triphosphate = diphosphate + phosphate.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
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.
    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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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  2eip
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  3.6.1.1
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 Related Entries

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

UniProtKB/Swiss-Prot
        IPYR_ECOLI | P0A7A9: 1faj 1i40 1i6t 1igp 1ino 1ipw 1jfd 1mjw 1mjx 1mjy 1mjz 1obw 2au6 2au7 2au8 2au9 2auu 4um4

(-) Related Entries Specified in the PDB File

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