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Title :   CRYSTAL STRUCTURE OF THE INORGANIC PYROPHOSPHATASE FROM THE HYPERTHERMOPHILIC ARCHAEON PYROCOCCUS HORIKOSHII OT3

Authors :   B. Liu, R. Gao, W. Zhou, M. Bartlam, Z. Rao

Date :   29 Apr 03 (Deposition) - 20 Jan 04 (Release) - 13 Jul 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.66

Chains :   Asym. Unit : A,B,C
Biol. Unit 1: A,B,C  (2x)

Keywords :   Inorganic Pyrophosphatase X-Ray Crystallographic Analysis, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   B. Liu, M. Bartlam, R. Gao, W. Zhou, H. Pang, Y. Liu, Y. Feng, Z. Rao
Crystal Structure Of The Hyperthermophilic Inorganic Pyrophosphatase From The Archaeon Pyrococcus Horikoshii.
Biophys. J. V. 86 420 2004
PubMed-ID: 14695284

Molecule 1 - INORGANIC PYROPHOSPHATASE
	Chains	:	A, B, C
	EC Number	:	3.6.1.1
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET15B
	Expression System Strain	:	BE21
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Gene	:	PPA
	Organism Scientific	:	PYROCOCCUS HORIKOSHII
	Organism Taxid	:	53953

		1	2	3
Asymmetric Unit	:	A	B	C
Biological Unit 1 (2x)	:	A	B	C

Summary Information (see also Sequences/Alignments below)

(no "Ligand,Modified Residues,Ions" information available for 1UDE)

(no "Site" information available for 1UDE)

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

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

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

Asymmetric Unit (1, 3)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	PPASE	PS00387	Inorganic pyrophosphatase signature.	IPYR_PYRHO	66-72	3	A:66-72 B:66-72 C:66-72

Biological Unit 1 (1, 6)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	PPASE	PS00387	Inorganic pyrophosphatase signature.	IPYR_PYRHO	66-72	6	A:66-72 B:66-72 C:66-72

(no "Exon" information available for 1UDE)

Asymmetric Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
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	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
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Chain A from PDB  Type:PROTEIN  Length:168
 aligned with IPYR_PYRHO | O59570 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:168
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163        
           IPYR_PYRHO     4 FHDLEPGPNVPEVVYALIEIPKGSRNKYELDKETGLLKLDRVLYTPFHYPVDYGIIPRTWYEDGDPFDIMVIMREPTYPLTIIEARPIGLFKMIDSGDKDYKVLAVPVEDPYFKDWKDISDVPKAFLDEIAHFFKRYKELEGKEIIVEGWEGAEAAKREILRAIEMYK 171
               SCOP domains d1udea_ A: Inorganic pyrophosphatase                                                                                                                                     SCOP domains
               CATH domains 1udeA00 A:4-172 Inorganic Pyrophosphatase                                                                                                                                CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .............eeeeeee.....eeeee......eeeeee.........eeee............eeee..........eeeeeeeeeeeeee..ee..eeeeee..hhhhh...hhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeehhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE --------------------------------------------------------------PPASE  --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1ude A   4 FHDLEPGPNVPEVVYALIEIPKGSRNKYELDKETGLLKLDRVLYTPFHYPVDYGIIPRTWYEDGDPFDIMVIMREPTYPLTIIEARPIGLFKMIDSGDKDYKVLAVPVEDPYFKDWKDISDVPKAFLDEIAHFFKRYKELEGKEIIVEGWEGAEAAKREILRAIEMYK 172
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143||     154       164        
                                                                                                                                                                      144|                          
                                                                                                                                                                       146

Chain B from PDB  Type:PROTEIN  Length:167
 aligned with IPYR_PYRHO | O59570 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:167
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       
           IPYR_PYRHO     4 FHDLEPGPNVPEVVYALIEIPKGSRNKYELDKETGLLKLDRVLYTPFHYPVDYGIIPRTWYEDGDPFDIMVIMREPTYPLTIIEARPIGLFKMIDSGDKDYKVLAVPVEDPYFKDWKDISDVPKAFLDEIAHFFKRYKELEGKEIIVEGWEGAEAAKREILRAIEMY 170
               SCOP domains d1udeb_ B: Inorganic pyrophosphatase                                                                                                                                    SCOP domains
               CATH domains 1udeB00 B:4-171 Inorganic Pyrophosphatase                                                                                                                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .............eeeeeee.....eeeee......eeeeee.........eeee............eeee.........eeeeeeeeeeeeee.......eeeeee..hhhhh...hhhhhhhhhhhhhhhhhhhhhhhhh...eeee..hhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------PPASE  -------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ude B   4 FHDLEPGPNVPEVVYALIEIPKGSRNKYELDKETGLLKLDRVLYTPFHYPVDYGIIPRTWYEDGDPFDIMVIMREPTYPLTIIEARPIGLFKMIDSGDKDYKVLAVPVEDPYFKDWKDISDVPKAFLDEIAHFFKRYKELEGKEIIVEGWEGAEAAKREILRAIEMY 171
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143||     154       164       
                                                                                                                                                                      144|                         
                                                                                                                                                                       146

Chain C from PDB  Type:PROTEIN  Length:167
 aligned with IPYR_PYRHO | O59570 from UniProtKB/Swiss-Prot  Length:178

    Alignment length:167
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       
           IPYR_PYRHO     4 FHDLEPGPNVPEVVYALIEIPKGSRNKYELDKETGLLKLDRVLYTPFHYPVDYGIIPRTWYEDGDPFDIMVIMREPTYPLTIIEARPIGLFKMIDSGDKDYKVLAVPVEDPYFKDWKDISDVPKAFLDEIAHFFKRYKELEGKEIIVEGWEGAEAAKREILRAIEMY 170
               SCOP domains d1udec_ C: Inorganic pyrophosphatase                                                                                                                                    SCOP domains
               CATH domains 1udeC00 C:4-171 Inorganic Pyrophosphatase                                                                                                                               CATH domains
           Pfam domains (1) --------------Pyrophosphatase-1udeC01 C:18-171                                                                                                                          Pfam domains (1)
           Pfam domains (2) --------------Pyrophosphatase-1udeC02 C:18-171                                                                                                                          Pfam domains (2)
           Pfam domains (3) --------------Pyrophosphatase-1udeC03 C:18-171                                                                                                                          Pfam domains (3)
         Sec.struct. author .............eeeeeee.....eeeee......eeeeee.........eeeee..........eeeee.........eeeee....eeeee........eee....hhhhh...hhhhhhhhhhhhhhhhhh..hhhhh...eeeeeehhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------PPASE  -------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ude C   4 FHDLEPGPNVPEVVYALIEIPKGSRNKYELDKETGLLKLDRVLYTPFHYPVDYGIIPRTWYEDGDPFDIMVIMREPTYPLTIIEARPIGLFKMIDSGDKDYKVLAVPVEDPYFKDWKDISDVPKAFLDEIAHFFKRYKELEGKEIIVEGWEGAEAAKREILRAIEMY 171
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143||     154       164       
                                                                                                                                                                      144|                         
                                                                                                                                                                       146

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Asymmetric Unit

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Class: All beta proteins (24004)

Fold: OB-fold (1179)

Superfamily: Inorganic pyrophosphatase (69)

Family: Inorganic pyrophosphatase (56)

Protein domain: Inorganic pyrophosphatase (41)

Pyrococcus horikoshii [TaxId: 53953] (1)

1a	d1udea_	A:
1b	d1udeb_	B:
1c	d1udec_	C:

Asymmetric Unit

Classes(

)

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Class: Alpha Beta (26913)

Architecture: Alpha-Beta Complex (3881)

Topology: Inorganic Pyrophosphatase (59)

Homologous Superfamily: Inorganic Pyrophosphatase (59)

Pyrococcus horikoshii. Organism_taxid: 53953. (1)

1a	1udeA00	A:4-172
1b	1udeB00	B:4-171
1c	1udeC00	C:4-171

Asymmetric Unit(hide GO term definitions)

Chain A,B,C (IPYR_PYRHO | O59570)

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.
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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