Structure of PDB 1k3d Chain A

Receptor sequence
>1k3dA (length=535) Species: 562 (Escherichia coli) [Search protein sequence]
GLTPQELEAYGISDVHDIVYNPSYDLLYQEELDPSLTGYERGVLTNLGAV
AVDTGIFTGRSPKDKYIVRDDTTRDTFWWADKGKGKNDNKPLSPETWQHL
KGLVTRQLSGKRLFVVDAFCGANPDTRLSVRFITEVAWQAHFVKNMFIRP
SDEELAGFKPDFIVMNGAKCTNPQWKEQGLNSENFVAFNLTERMQLIGGT
WYGGEMKKGMFSMMNYLLPLKGIASMHCSANVGEKGDVAVFFGLSGTGKT
TLSTDPKRRLIGDDEHGWDDDGVFNFEGGCYAKTIKLSKEAEPEIYNAIR
RDALLENVTVREDGTIDFDDGSKTENTRVSYPIYHIDNIVKPVSKAGHAT
KVIFLTADAFGVLPPVSRLTADQTQYHFLSGFTAKLAGTERGITEPTPTF
SACFGAAFLSLHPTQYAEVLVKRMQAAGAQAYLVNTGWNGTGKRISIKDT
RAIIDAILNGSLDNAETFTLPMFNLAIPTELPGVDTKILDPRNTYASPEQ
WQEKAETLAKLFIDNFDKYTDTPAGAALVAAGPKL
3D structure
PDB1k3d The phosphoryl-transfer mechanism of Escherichia coli phosphoenolpyruvate carboxykinase from the use of AlF(3).
ChainA
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R65 K213 H232 S250 K254 T255 D269 R333
Catalytic site (residue number reindexed from 1) R60 K208 H227 S245 K249 T250 D264 R328
Enzyme Commision number 4.1.1.49: phosphoenolpyruvate carboxykinase (ATP).
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 ADP A S250 G251 T252 G253 K254 T255 T256 K288 R449 S451 I452 T455 S245 G246 T247 G248 K249 T250 T251 K283 R444 S446 I447 T450
BS02 AF3 A H232 S250 D269 R333 H227 S245 D264 R328
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004611 phosphoenolpyruvate carboxykinase activity
GO:0004612 phosphoenolpyruvate carboxykinase (ATP) activity
GO:0005509 calcium ion binding
GO:0005524 ATP binding
GO:0016831 carboxy-lyase activity
GO:0017076 purine nucleotide binding
GO:0046872 metal ion binding
Biological Process
GO:0006094 gluconeogenesis
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Cellular Component
External links
PDB RCSB:1k3d, PDBe:1k3d, PDBj:1k3d
PDBsum1k3d
PubMed11724534
UniProtP22259|PCKA_ECOLI Phosphoenolpyruvate carboxykinase (ATP) (Gene Name=pckA)

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