Structure of PDB 2e4r Chain A Binding Site BS01

Receptor Information
>2e4r Chain A (length=265) Species: 70601 (Pyrococcus horikoshii OT3) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MVLYFIGLGLYDERDITVKGLEIAKKCDYVFAEFYTSLMAGTTLGRIQKL
IGKEIRVLSREDVELNFENIVLPLAKENDVAFLTPGDPLVATTHAELRIR
AKRAGVESYVIHAPSIYSAVGITGLHIYKFGKSATVAYPEGNWFPTSYYD
VIKENAERGLHTLLFLDIKAEKRMYMTANEAMELLLKVEDMKKGGVFTDD
TLVVVLARAGSLNPTIRAGYVKDLIREDFGDPPHILIVPGKLHIVEAEYL
VEMAGAPREILRVNV
Ligand information
Ligand IDSAH
InChIInChI=1S/C14H20N6O5S/c15-6(14(23)24)1-2-26-3-7-9(21)10(22)13(25-7)20-5-19-8-11(16)17-4-18-12(8)20/h4-7,9-10,13,21-22H,1-3,15H2,(H,23,24)(H2,16,17,18)/t6-,7+,9+,10+,13+/m0/s1
InChIKeyZJUKTBDSGOFHSH-WFMPWKQPSA-N
SMILES
SoftwareSMILES
CACTVS 3.341N[CH](CCSC[CH]1O[CH]([CH](O)[CH]1O)n2cnc3c(N)ncnc23)C(O)=O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)CSCCC(C(=O)O)N)O)O)N
CACTVS 3.341N[C@@H](CCSC[C@H]1O[C@H]([C@H](O)[C@@H]1O)n2cnc3c(N)ncnc23)C(O)=O
ACDLabs 10.04O=C(O)C(N)CCSCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CSCC[C@@H](C(=O)O)N)O)O)N
FormulaC14 H20 N6 O5 S
NameS-ADENOSYL-L-HOMOCYSTEINE
ChEMBLCHEMBL418052
DrugBankDB01752
ZINCZINC000004228232
PDB chain2e4r Chain A Residue 1301 [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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PDB2e4r Mutant I253M structure of PH0725 from Pyrococcus horikoshii OT3
Resolution2.2 Å
Binding residue
(original residue number in PDB)
T36 S37 D87 V90 S115 I116 F165 L166 R208 A209 P233 H234 I235
Binding residue
(residue number reindexed from 1)
T36 S37 D87 V90 S115 I116 F165 L166 R208 A209 P233 H234 I235
Annotation score5
Enzymatic activity
Enzyme Commision number 2.1.1.98: diphthine synthase.
Gene Ontology
Molecular Function
GO:0004164 diphthine synthase activity
GO:0008168 methyltransferase activity
Biological Process
GO:0017183 protein histidyl modification to diphthamide
GO:0032259 methylation

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:2e4r, PDBe:2e4r, PDBj:2e4r
PDBsum2e4r
PubMed
UniProtO58456|DPHB_PYRHO Diphthine synthase (Gene Name=dphB)

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