Structure of PDB 1n9n Chain A Binding Site BS01

Receptor Information

>1n9n Chain A (length=108) Species: 3055 (Chlamydomonas reinhardtii)

LRHTFVVADATLPDCPLVYASEGFYAMTGYGPDEVLGHNCRFLQGEGTDP
KEVQKIRDAIKKGEACSVRLLNYRKDGTPFWNLLTVTPIKTPDGRVSKFV
GVQVDVTS

Ligand information

• Ligand ID: FMN
• InChI: InChI=1S/C17H21N4O9P/c1-7-3-9-10(4-8(7)2)21(15-13(18-9)16(25)20-17(26)19-15)5-11(22)14(24)12(23)6-30-31(27,28)29/h3-4,11-12,14,22-24H,5-6H2,1-2H3,(H,20,25,26)(H2,27,28,29)/t11-,12+,14-/m0/s1
• InChIKey: FVTCRASFADXXNN-SCRDCRAPSA-N
• SMILES:
  OpenEye OEToolkits 1.7.6: Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(COP(=O)(O)O)O)O)O
  OpenEye OEToolkits 1.7.6: Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](COP(=O)(O)O)O)O)O
  ACDLabs 12.01: N=2C(=O)NC(=O)C3=Nc1cc(C)c(C)cc1N(C=23)CC(O)C(O)C(O)COP(=O)(O)O
  CACTVS 3.385: Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[CH](O)[CH](O)[CH](O)CO[P](O)(O)=O)c2cc1C
  CACTVS 3.385: Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[C@H](O)[C@H](O)[C@H](O)CO[P](O)(O)=O)c2cc1C
• Formula: C17 H21 N4 O9 P
• Name: FLAVIN MONONUCLEOTIDE;
  RIBOFLAVIN MONOPHOSPHATE
• ChEMBL: CHEMBL1201794
• DrugBank: DB03247
• ZINC: ZINC000003831425
• PDB chain: 1n9n Chain A Residue 500

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1n9n Crystal structures and molecular mechanism of a light-induced signaling switch: The Phot-LOV1 domain from Chlamydomonas reinhardtii.
• Resolution: 2.3 Å
• Binding residue (original residue number in PDB): N56 C57 R58 L60 Q61 R74 I77 L87 N89 N99 L101 F116 G118 Q120
• Binding residue (residue number reindexed from 1): N39 C40 R41 L43 Q44 R57 I60 L70 N72 N82 L84 F99 G101 Q103
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 2.7.11.1: non-specific serine/threonine protein kinase.

External links

• PDB: RCSB:1n9n, PDBe:1n9n, PDBj:1n9n
• PDBsum: 1n9n
• PubMed: 12668455
• UniProt: Q8LPD9|PHOT_CHLRE Phototropin (Gene Name=PHOT)