Structure of PDB 1st0 Chain B Binding Site BS01

Receptor Information
>1st0 Chain B (length=297) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VRLPFSGFRLQKVLRESARDKIIFLHGKVNEASGDGDGEDAVVILEKTPF
QVEQVAQLLTGSPELQLQFSNDIYSTYHLFPPRQLNDVKTTVVYPATEKH
LQKYLRQDLRLIRETGDDYRNITLPHLESQSLSIQWVYNILDKKAEADRI
VFENPDPSDGFVLIPDLKWNQQQLDDLYLIAICHRRGIRSLRDLTPEHLP
LLRNILHQGQEAILQRYRMKGDHLRVYLHYLPSYYHLNVHFTALGFEAPG
SGVERAHLLAEVIENLECDPRHYQQRTLTFALRADDPLLKLLQEAQQ
Ligand information
Ligand IDGTG
InChIInChI=1S/C21H29N10O18P3/c1-29-5-31(15-9(29)17(37)28-21(23)26-15)19-13(35)11(33)7(47-19)3-45-51(40,41)49-52(42,43)48-50(38,39)44-2-6-10(32)12(34)18(46-6)30-4-24-8-14(30)25-20(22)27-16(8)36/h4-7,10-13,18-19,32-35H,2-3H2,1H3,(H8-,22,23,25,26,27,28,36,37,38,39,40,41,42,43)/p+1/t6-,7-,10-,11-,12-,13-,18-,19-/m1/s1
InChIKeyFHHZHGZBHYYWTG-INFSMZHSSA-O
SMILES
SoftwareSMILES
CACTVS 3.385C[n+]1cn([C@@H]2O[C@H](CO[P](O)(=O)O[P](O)(=O)O[P](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)n4cnc5C(=O)NC(=Nc45)N)[C@@H](O)[C@H]2O)c6N=C(N)NC(=O)c16
CACTVS 3.385C[n+]1cn([CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5C(=O)NC(=Nc45)N)[CH](O)[CH]2O)c6N=C(N)NC(=O)c16
OpenEye OEToolkits 1.7.5C[n+]1cn(c2c1C(=O)NC(=N2)N)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@@](=O)(O)OP(=O)(O)O[P@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5N=C(NC6=O)N)O)O)O)O
ACDLabs 10.04O=C1NC(=Nc2c1[n+](cn2C3OC(C(O)C3O)COP(=O)(O)OP(=O)(O)OP(=O)(O)OCC6OC(n5cnc4c5N=C(N)NC4=O)C(O)C6O)C)N
OpenEye OEToolkits 1.7.5C[n+]1cn(c2c1C(=O)NC(=N2)N)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5N=C(NC6=O)N)O)O)O)O
FormulaC21 H30 N10 O18 P3
Name7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-GUANOSINE;
MRNA CAP ANALOG N7-METHYL GPPPG
ChEMBL
DrugBankDB03958
ZINCZINC000085547903
PDB chain1st0 Chain B Residue 652 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1st0 Insights into the structure, mechanism, and regulation of scavenger mRNA decapping activity
Resolution1.9 Å
Binding residue
(original residue number in PDB)		R145 W175 E185 D205 L206 K207 I219 H268 S272 Y273 N277 H279 R294 R322
Binding residue
(residue number reindexed from 1)		R106 W136 E146 D166 L167 K168 I180 H229 S233 Y234 N238 H240 R255 R283
Annotation score2
Enzymatic activity
Enzyme Commision number 3.6.1.59: 5'-(N(7)-methyl 5'-triphosphoguanosine)-[mRNA] diphosphatase.
Gene Ontology
Molecular Function
GO:0000340 RNA 7-methylguanosine cap binding
GO:0004532 RNA exonuclease activity
GO:0005515 protein binding
GO:0016787 hydrolase activity
GO:0042802 identical protein binding
GO:0140932 5'-(N(7)-methyl 5'-triphosphoguanosine)-[mRNA] diphosphatase activity
Biological Process
GO:0000288 nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay
GO:0000290 deadenylation-dependent decapping of nuclear-transcribed mRNA
GO:0006397 mRNA processing
GO:0008380 RNA splicing
GO:0045292 mRNA cis splicing, via spliceosome
GO:0110156 mRNA methylguanosine-cap decapping
Cellular Component
GO:0000932 P-body
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005829 cytosol

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1st0, PDBe:1st0, PDBj:1st0
PDBsum1st0
PubMed15068804
UniProtQ96C86|DCPS_HUMAN m7GpppX diphosphatase (Gene Name=DCPS)

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