Structure of PDB 2r7k Chain A Binding Site BS01

Receptor Information
>2r7k Chain A (length=358) Species: 2190 (Methanocaldococcus jannaschii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MISKDEILEIFDKYNKDEITIATLGSHTSLHILKGAKLEGFSTVCITMKG
RDVPYKRFKVADKFIYVDNFSDIKNEEIQEKLRELNSIVVPHGSFIAYCG
LDNVENSFLVPMFGNRRILRWESERSLEGKLLREAGLRVPKKYESPEDID
GTVIVKFPGARGYFIASSTEEFYKKAEDLKKRGILTDEDIANAHIEEYVV
GTNFCIHYFYSPLKDEVELLGMDKRYESNIDGLVRIPAKDQLEMNINPSY
VITGNIPVVIRESLLPQVFEMGDKLVAKAKELVPPGMIGPFCLQSLCNEN
LELVVFEMSARVDGGTNSFMNGGPYSFLYNGEPLSMGQRIAREIKMALQL
DMIDKIIS
Ligand information
Ligand IDACP
InChIInChI=1S/C11H18N5O12P3/c12-9-6-10(14-2-13-9)16(3-15-6)11-8(18)7(17)5(27-11)1-26-31(24,25)28-30(22,23)4-29(19,20)21/h2-3,5,7-8,11,17-18H,1,4H2,(H,22,23)(H,24,25)(H2,12,13,14)(H2,19,20,21)/t5-,7-,8-,11-/m1/s1
InChIKeyUFZTZBNSLXELAL-IOSLPCCCSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)C[P](O)(O)=O)[CH](O)[CH]3O
ACDLabs 10.04O=P(O)(O)CP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(CP(=O)(O)O)O)O)O)N
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@@](=O)(O)O[P@](=O)(CP(=O)(O)O)O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@](O)(=O)O[P@](O)(=O)C[P](O)(O)=O)[C@@H](O)[C@H]3O
FormulaC11 H18 N5 O12 P3
NamePHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER;
ADENOSINE-5'-[BETA, GAMMA-METHYLENE]TRIPHOSPHATE
ChEMBLCHEMBL133463
DrugBankDB03909
ZINCZINC000008295124
PDB chain2r7k Chain A Residue 400 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB2r7k Crystal structure and function of 5-formaminoimidazole-4-carboxamide ribonucleotide synthetase from Methanocaldococcus jannaschii.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		I154 K156 Y166 E199 Y201 V202 E230 L299 F309 E310
Binding residue
(residue number reindexed from 1)		I154 K156 Y163 E196 Y198 V199 E227 L296 F306 E307
Annotation score3
Enzymatic activity
Enzyme Commision number 6.3.4.23: formate--phosphoribosylaminoimidazolecarboxamide ligase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0005524 ATP binding
GO:0016874 ligase activity
GO:0016879 ligase activity, forming carbon-nitrogen bonds
GO:0046872 metal ion binding
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006188 IMP biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:2r7k, PDBe:2r7k, PDBj:2r7k
PDBsum2r7k
PubMed18069798
UniProtQ57600|PURP_METJA 5-formaminoimidazole-4-carboxamide-1-(beta)-D-ribofuranosyl 5'-monophosphate synthetase (Gene Name=purP)

[Back to BioLiP]