6FKD: N2C/D282C stabilized opsin

Crystal structure of N2C/D282C stabilized opsin bound to RS16. Determined by X-ray diffraction at 2.49 Å resolution. Released 4 Apr 2018.

Method
X-ray diffraction
Resolution
2.49 Å
Organism
Bos taurus
Chains
1
Atoms
2,830
Mol. weight
42.02 kDa
Ligands
PLM, BOG, DL2
Released
4 Apr 2018

Explore 6FKD in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6FKD contains 18 α-helices and 4 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 18 helices, 4 β-strands

ElementResiduesLengthSheet
β-strand4-631
β-strand9-1131
α-helix34-6431
α-helix66-683
α-helix71-733
α-helix74-8512
α-helix86-927
α-helix93-986
α-helix106-14035
α-helix150-16819
α-helix170-1734
β-strand178-18142
β-strand186-18942
α-helix196-1983
α-helix200-2089
α-helix209-2135
α-helix214-23522
α-helix241-27636
α-helix289-2957
α-helix298-3036
α-helix304-3085
α-helix311-32111

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
RhodopsinAprotein349Bos taurusP02699 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>6FKD_1 Rhodopsin (chains A)
XMCGTEGPNFYVPFSNKTGVVRSPFEAPQYYLAEPWQFSMLAAYMFLLIMLGFPINFLTL
YVTVQHKKLRTPLNYILLNLAVADLFMVFGGFTTTLYTSLHGYFVFGPTGCNLEGFFATL
GGEIALWSLVVLAIERYVVVCKPMSNFRFGENHAIMGVAFTWVMALACAAPPLVGWSRYI
PEGMQCSCGIDYYTPHEETNNESFVIYMFVVHFIIPLIVIFFCYGQLVFTVKEAAAQQQE
SATTQKAEKEVTRMVIIMVIAFLICWLPYAGVAFYIFTHQGSCFGPIFMTIPAFFAKTSA
VYNPVIYIMMNKQFRNCMVTTLCCGKNPLGDDEASTTVSKTETSQVAPA

Ligands and cofactors

IDNameFormulaCopies
PLMPalmitic acidC16 H32 O21
BOGoctyl beta-D-glucopyranosideC14 H28 O65
DL25-chloranyl-2-(2-oxidanylidene-2-spiro[1,3-benzodioxole-2,4'-piperidine]-1'-yl-…C18 H17 Cl N2 O41

Primary citation

Ligand channel in pharmacologically stabilized rhodopsin. Mattle, D., Kuhn, B., Aebi, J. et al. Proc Natl Acad Sci U S A (2018) 115:3640-3645. DOI 10.1073/pnas.1718084115 · PubMed

Other PDB entries of the same protein (UniProt P02699 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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