Structure of PDB 1k20 Chain B

Receptor sequence
>1k20B (length=310) Species: 1302 (Streptococcus gordonii) [Search protein sequence]
SKILVFGHQNPDSDAIGSSYAFAYLAREAYGLDTEAVALGEPNEETAFVL
DYFGVAAPRVITSAKAEGAEQVILTDHNEFQQSVADIAEVEVYGVVDHHR
VANFETANPLYMRLEPVGSASSIVYRMFKEHSVAVSKEIAGLMLSGLISD
TLLLKSPTTHPTDKAIAPELAELAGVNLEEYGLAMLKAGTNLASKSAEEL
IDIDAKTFELNGNNVRVAQVNTVDIAEVLERQAEIEAAIEKAIADNGYSD
FVLMITDIINSNSEILAIGSNMDKVEAAFNFVLENNHAFLAGAVSRKKQV
VPQLTESFNA
3D structure
PDB1k20 The "open" and "closed" structures of the type-C inorganic pyrophosphatases from Bacillus subtilis and Streptococcus gordonii.
ChainB
Resolution1.5 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.6.1.1: inorganic diphosphatase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 MN B H9 D13 A16 D77 H8 D12 A15 D76
BS02 MN B D15 D77 H99 D151 D14 D76 H98 D150
Gene Ontology
Molecular Function
GO:0004427 inorganic diphosphate phosphatase activity
GO:0016462 pyrophosphatase activity
GO:0016787 hydrolase activity
GO:0030145 manganese ion binding
GO:0046872 metal ion binding
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Cellular Component
External links
PDB RCSB:1k20, PDBe:1k20, PDBj:1k20
PDBsum1k20
PubMed11697905
UniProtP95765|PPAC_STRGC Probable manganese-dependent inorganic pyrophosphatase (Gene Name=ppaC)

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