Structure of PDB 4s28 Chain A Binding Site BS02

Receptor Information
>4s28 Chain A (length=520) Species: 3702 (Arabidopsis thaliana) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SPDFQPIPSFEECFPKSTKEHKEVVHEESGHVLKVPFRRVHLSGGEPAFD
NYDTSGPQNVNAHIGLAKLRKEWIDRREKLGTPRYTQMYYAKQGIITEEM
LYCATREKLDPEFVRSEVARGRAIIPSNKKHLELEPMIVGRKFLVKVNAN
IGNSAVASSIEEEVYKVQWATMWGADTIMDLSTGRHIHETREWILRNSAV
PVGTVPIYQALEKVDGIAENLNWEVFRETLIEQAEQGVDYFTIHAGVLLR
YIPLTAKRLTGIVSRGGSIHAKWCLAYHKENFAYEHWDDILDICNQYDVA
LSIGDGLRPGSIYDANDTAQFAELLTQGELTRRAWEKDVQVMNEGPGHVP
MHKIPENMQKQLEWCNEAPFYTLGPLTTDIAPGYDHITSAIGAANIGALG
TALLCYVTPKEHLGLPNRDDVKAGVIAYKIAAHAADLAKQHPHAQAWDDA
LSKARFEFRWMDQFALSLDPMTAMSFHDETLPADGAKVAHFCSMCGPKFC
SMKITEDIRKYAEENGYGSA
Ligand information
Ligand IDAIR
InChIInChI=1S/C8H14N3O7P/c9-5-1-10-3-11(5)8-7(13)6(12)4(18-8)2-17-19(14,15)16/h1,3-4,6-8,12-13H,2,9H2,(H2,14,15,16)/t4-,6-,7-,8-/m1/s1
InChIKeyPDACUKOKVHBVHJ-XVFCMESISA-N
SMILES
SoftwareSMILES
CACTVS 3.341Nc1cncn1[C@@H]2O[C@H](CO[P](O)(O)=O)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1c(n(cn1)C2C(C(C(O2)COP(=O)(O)O)O)O)N
OpenEye OEToolkits 1.5.0c1c(n(cn1)[C@H]2[C@@H]([C@@H]([C@H](O2)COP(=O)(O)O)O)O)N
ACDLabs 10.04O=P(O)(O)OCC2OC(n1cncc1N)C(O)C2O
CACTVS 3.341Nc1cncn1[CH]2O[CH](CO[P](O)(O)=O)[CH](O)[CH]2O
FormulaC8 H14 N3 O7 P
Name5-AMINOIMIDAZOLE RIBONUCLEOTIDE
ChEMBLCHEMBL1230914
DrugBank
ZINC
PDB chain4s28 Chain A Residue 702 [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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PDB4s28 Non-canonical active site architecture of the radical SAM thiamin pyrimidine synthase.
Resolution1.25 Å
Binding residue
(original residue number in PDB)		N228 M257 Y286 H322 S342 R343 G344 D383 R386 E422 G423 Y449 L451
Binding residue
(residue number reindexed from 1)		N150 M179 Y208 H244 S264 R265 G266 D305 R308 E344 G345 Y371 L373
Annotation score5
Enzymatic activity
Enzyme Commision number 4.1.99.17: phosphomethylpyrimidine synthase.
Gene Ontology
Molecular Function
GO:0016830 carbon-carbon lyase activity
GO:0051536 iron-sulfur cluster binding
Biological Process
GO:0009228 thiamine biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4s28, PDBe:4s28, PDBj:4s28
PDBsum4s28
PubMed25813242
UniProtO82392|THIC_ARATH Phosphomethylpyrimidine synthase, chloroplastic (Gene Name=THIC)

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