Structure of PDB 6fn3 Chain A Binding Site BS01

Receptor Information

>6fn3 Chain A (length=489) Species: 3055 (Chlamydomonas reinhardtii)

GVKNSIIWFRKGLRLHDNPALLEACKDAKHVYPVFVLDPHFLQQKVSVNR
YNFLLESLEDLQRSFQARGSRLLVLRGKPEEVFPRVFREWGVTQLCFEHD
TEPYAKVRDAAVRRLAAEAGVEVVTPISHTLYDTDMLVARNGGAAPLTMQ
SFTKLVDRVGDPPAPAPDPPAAMPPPAEDMPSAAPAATGVPTWQEVGFKE
PPLTVFKGGETEALARLEAAFQDPKWVAGFQKPDTDPSAWEKPATTVLSP
YLKFGCLSARLFHARLLEVYRRHPAHSQPPVSLRGQLLWREFFYTVGSTT
PNFHRMAGNPVCKQIDWDDNPEFLAAWREARTGFPWIDAIMTQLVTWGWM
HHLARHSVACFLTRGDLYVSWERGMEVFEEHLIDQDHYLNAANWMWLSAS
AFFSQYFRVYSPVVFGKKYDPEGRFIRKFLPVLKDMPAKYIYEPWTAPLE
VQRKAGCVVGRDYPAPIVDHAVASKACIARMAAAYRRSK

Ligand information

• Ligand ID: FAD
• InChI: InChI=1S/C27H33N9O15P2/c1-10-3-12-13(4-11(10)2)35(24-18(32-12)25(42)34-27(43)33-24)5-14(37)19(39)15(38)6-48-52(44,45)51-53(46,47)49-7-16-20(40)21(41)26(50-16)36-9-31-17-22(28)29-8-30-23(17)36/h3-4,8-9,14-16,19-21,26,37-41H,5-7H2,1-2H3,(H,44,45)(H,46,47)(H2,28,29,30)(H,34,42,43)/t14-,15+,16+,19-,20+,21+,26+/m0/s1
• InChIKey: VWWQXMAJTJZDQX-UYBVJOGSSA-N
• SMILES:
  CACTVS 3.341: Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[C@H](O)[C@H](O)[C@H](O)CO[P@](O)(=O)O[P@@](O)(=O)OC[C@H]4O[C@H]([C@H](O)[C@@H]4O)n5cnc6c(N)ncnc56)c2cc1C
  OpenEye OEToolkits 1.5.0: Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5ncnc6N)O)O)O)O)O
  OpenEye OEToolkits 1.5.0: Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO[P@@](=O)(O)O[P@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6N)O)O)O)O)O
  CACTVS 3.341: Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[CH](O)[CH](O)[CH](O)CO[P](O)(=O)O[P](O)(=O)OC[CH]4O[CH]([CH](O)[CH]4O)n5cnc6c(N)ncnc56)c2cc1C
  ACDLabs 10.04: O=C2C3=Nc1cc(c(cc1N(C3=NC(=O)N2)CC(O)C(O)C(O)COP(=O)(O)OP(=O)(O)OCC6OC(n5cnc4c(ncnc45)N)C(O)C6O)C)C
• Formula: C27 H33 N9 O15 P2
• Name: FLAVIN-ADENINE DINUCLEOTIDE
• ChEMBL: CHEMBL1232653
• DrugBank: DB03147
• ZINC: ZINC000008215434
• PDB chain: 6fn3 Chain A Residue 602

Receptor-Ligand Complex Structure

Structure summary

• PDB: 6fn3 Structure of the bifunctional cryptochrome aCRY from Chlamydomonas reinhardtii.
• Resolution: 1.9 Å
• Binding residue (original residue number in PDB): K237 T250 T251 V252 L253 S254 L257 Q291 W294 R295 F298 W354 H357 R360 F383 D389 Q390 D391 L394 N395 N398 W399
• Binding residue (residue number reindexed from 1): K232 T245 T246 V247 L248 S249 L252 Q286 W289 R290 F293 W349 H352 R355 F378 D384 Q385 D386 L389 N390 N393 W394
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): Q291 W294 W322 H357 W376 W399
• Catalytic site (residue number reindexed from 1): Q286 W289 W317 H352 W371 W394

External links

• PDB: RCSB:6fn3, PDBe:6fn3, PDBj:6fn3
• PDBsum: 6fn3
• PubMed: 30032195
• UniProt: A8J8W0