Structure of PDB 1rtz Chain A

Receptor sequence
>1rtzA (length=152) Species: 562 (Escherichia coli) [Search protein sequence]
TVAYIAIGSNLASPLEQVNAALKALGDIPESHILTVSSFYRTPPLGPQDQ
PDYLNAAVALETSLAPEELLNHTQRIELQQGRGGPRTLDLDIMLFGNEVI
NTERLTVPHYDMKNRGFMLWPLFEIAPELVFPDGEMLRQILHTRAFDKLN
KW
3D structure
PDB1rtz Essential Roles of a Dynamic Loop in the Catalysis of 6-Hydroxymethyl-7,8-dihydropterin Pyrophosphokinase.
ChainA
Resolution1.33 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R92 D95 D97
Catalytic site (residue number reindexed from 1) R86 D89 D91
Enzyme Commision number 2.7.6.3: 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase.
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 MG A G26 S31 G26 S31
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003848 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity
GO:0005524 ATP binding
GO:0016301 kinase activity
Biological Process
GO:0009396 folic acid-containing compound biosynthetic process
GO:0016310 phosphorylation
GO:0046654 tetrahydrofolate biosynthetic process
GO:0046656 folic acid biosynthetic process

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:1rtz, PDBe:1rtz, PDBj:1rtz
PDBsum1rtz
PubMed14769023
UniProtP26281|HPPK_ECOLI 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase (Gene Name=folK)

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