2026-04-04_00000181|ligand|9QLX

Crystal structure of D4A-FNR of A. fischeri with a [4Fe-4S]/[2Fe-2S] mixture; X-ray diffraction 2.31Å
Protein #1 259 residues (85% resolved)

MWSHPQFEKASSANSANKRIQSGGCAIHCQDCSISQLCIPFTLNDSELDQLDEIIERKKPIQKGQELFKAGDELKCLYAIRSGTIKSYTITEQGDEQITAFHLAGDLVGFDAITEAQHPSFAQALETSMVCEIPYEILDDLSGKMPKLRQQIMRLMSNEIKGDQEMILLLSKKNAEERLAAFLYNLSTRFHQRGFSPREFRLTMTRGDIGNYLGLTVETISRLLGRFQKTEMLTVKGKYITINDHDALAELAGSAKEIK

MWSHPQFEKASSANSANKRIQSGGCAIHCQDCSISQLCIPFTLNDSELDQLDEIIERKKPIQKGQELFKAGDELKCLYAIRSGTIKSYTITEQGDEQITAFHLAGDLVGFDAITEAQHPSFAQALETSMVCEIPYEILDDLSGKMPKLRQQIMRLMSNEIKGDQEMILLLSKKNAEERLAAFLYNLSTRFHQRGFSPREFRLTMTRGDIGNYLGLTVETISRLLGRFQKTEMLTVKGKYITINDHDALAELAGSAKEIK
Non polymer #2 CL

InChI=1S/ClH/h1H/p-1

[Cl-]
Non polymer #3 FES

InChI=1S/2Fe.2S

S1[Fe]S[Fe]1
Non polymer #4 MPD

InChI=1S/C6H14O2/c1-5(7)4-6(2,3)8/h5,7-8H,4H2,1-3H3/t5-/m0/s1

C[C@@H](CC(C)(C)O)O
Non polymer #5 NA

InChI=1S/Na/q+1

[Na+]
Non polymer #6 SF4

InChI=1S/4Fe.4S

[S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45
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Reference