Structure of PDB 4iil Chain A Binding Site BS01

Receptor Information
>4iil Chain A (length=314) Species: 243276 (Treponema pallidum subsp. pallidum str. Nichols) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RAVRIAVFVPGFRHDSPVYAMLCDGVERAVTQERATGRSIGLDIIEAGPN
QALWREKLAHLAAEQRYRLIVSSNPALPHVLEPILRQFPLQRFLVLDAYA
PQEHSLITFRYNQWEQAYLAGHLSALVSASAMRFANADKKIGLIAGQSYP
VMTQTIIPAFLAGARAVDPAFEVDVRVVGNWYDAAKSADLARILFHEGVD
VMMPICGGANQGVLAAARELGFYVSWFDDNGYARAPGYVVGSSVMEQERL
AYEQTLRCIRGELPSAGAWTLGVKDGYVRFIEEDPLYLQTVPEPIRVRQS
ALLRRIQSGELTLP
Ligand information
Ligand IDRBF
InChIInChI=1S/C17H20N4O6/c1-7-3-9-10(4-8(7)2)21(5-11(23)14(25)12(24)6-22)15-13(18-9)16(26)20-17(27)19-15/h3-4,11-12,14,22-25H,5-6H2,1-2H3,(H,20,26,27)/t11-,12+,14-/m0/s1
InChIKeyAUNGANRZJHBGPY-SCRDCRAPSA-N
SMILES
SoftwareSMILES
CACTVS 3.385Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[CH](O)[CH](O)[CH](O)CO)c2cc1C
OpenEye OEToolkits 1.7.6Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(CO)O)O)O
OpenEye OEToolkits 1.7.6Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO)O)O)O
CACTVS 3.385Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[C@H](O)[C@H](O)[C@H](O)CO)c2cc1C
ACDLabs 12.01N=2C(=O)NC(=O)C3=Nc1cc(C)c(C)cc1N(C=23)CC(O)C(O)C(O)CO
FormulaC17 H20 N4 O6
NameRIBOFLAVIN;
RIBOFLAVINE;
VITAMIN B2
ChEMBLCHEMBL1534
DrugBankDB00140
ZINCZINC000002036848
PDB chain4iil Chain A Residue 401 [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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PDB4iil Evidence for an ABC-type riboflavin transporter system in pathogenic spirochetes.
Resolution1.3 Å
Binding residue
(original residue number in PDB)
S24 V26 Y27 N82 D105 Y157 W189 I213 G215 F235 D236
Binding residue
(residue number reindexed from 1)
S16 V18 Y19 N74 D97 Y149 W181 I205 G207 F227 D228
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Cellular Component
GO:0005886 plasma membrane

View graph for
Cellular Component
External links
PDB RCSB:4iil, PDBe:4iil, PDBj:4iil
PDBsum4iil
PubMed23404400
UniProtQ56328|RFUA_TREPA ABC transporter riboflavin-binding protein RfuA (Gene Name=rfuA)

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