2026-06-20_00000255|medium|9TN7

F420-nitrite reductase from Methanocaldococcus infernus at 1.58 A resolution; X-ray diffraction 1.58Å
Protein #1 613 residues (100% resolved)

MKWKLKDEIVDTEMCAQCSTCAIVCPNNLVKFDEKPYLGEECLRKGHGMCYEVCPRVNSFKYQVKIRERFKEEYYYAKGDIEGQDGGVVTTSLKYLLEKGEIDGAIVVGRDEYWKPVSMVVQTAEDIVKGAKSKYTVSTLEALRKAGELGLKKVAVVGLPCQINGLRKLQYFPYHSRHDFEIGKDGKPVKLPKIEYFIGLFCTKKFEYDNFKEVLEKYGVNIKDVEKFDIKKGKLLVYLKNEVKEIPIKEFKPLSGCKVCKDFTAELSDISVGSVGSPEGYTTVIIRTKKGEKIKEALELKEGVDIEKIKKLAEKKVKEFKEEIEKRRKEGKKISLYWLGDYGGVKKEPTGSYFIRVRAKPGQWYSVEELEKLTEIAKKYNLRVKLTNRGTFEYHGADGFEVENIIKEINEAGFITGSEGPLVRAILACPGEGNCGSGLIKTYELAELIEEEFKEYPTPNKFKIAISGCPSSCIRAQIHDIGIIGVKYPKVNDNCNGCGRCYEVCKLECIYIRGSYSYTNYNICIGCGKCIKACPNEAREVLEEGYIMYIGGRGGKKIVEGFTLKVKDVEEMKRIIRKTIELYNKYAIKPQRERLSDVIKRVGKINFIRELMS

MKWKLKDEIVDTEMCAQCSTCAIVCPNNLVKFDEKPYLGEECLRKGHGMCYEVCPRVNSFKYQVKIRERFKEEYYYAKGDIEGQDGGVVTTSLKYLLEKGEIDGAIVVGRDEYWKPVSMVVQTAEDIVKGAKSKYTVSTLEALRKAGELGLKKVAVVGLPCQINGLRKLQYFPYHSRHDFEIGKDGKPVKLPKIEYFIGLFCTKKFEYDNFKEVLEKYGVNIKDVEKFDIKKGKLLVYLKNEVKEIPIKEFKPLSGCKVCKDFTAELSDISVGSVGSPEGYTTVIIRTKKGEKIKEALELKEGVDIEKIKKLAEKKVKEFKEEIEKRRKEGKKISLYWLGDYGGVKKEPTGSYFIRVRAKPGQWYSVEELEKLTEIAKKYNLRVKLTNRGTFEYHGADGFEVENIIKEINEAGFITGSEGPLVRAILACPGEGNCGSGLIKTYELAELIEEEFKEYPTPNKFKIAISGCPSSCIRAQIHDIGIIGVKYPKVNDNCNGCGRCYEVCKLECIYIRGSYSYTNYNICIGCGKCIKACPNEAREVLEEGYIMYIGGRGGKKIVEGFTLKVKDVEEMKRIIRKTIELYNKYAIKPQRERLSDVIKRVGKINFIRELMS
Non polymer #2 CL

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

[Cl-]
Non polymer #3 FAD

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

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
Non polymer #4 K

InChI=1S/K/q+1

[K+]
Non polymer #5 NA

InChI=1S/Na/q+1

[Na+]
Non polymer #6 NO2

InChI=1S/HNO2/c2-1-3/h(H,2,3)/p-1

N(=O)[O-]
Non polymer #7 PXN

InChI=1S/C17H36O8/c1-13(18)5-22-9-17(10-23-6-14(2)19,11-24-7-15(3)20)12-25-8-16(4)21/h13-16,18-21H,5-12H2,1-4H3/t13-,14-,15-,16+/m1/s1

C[C@H](COCC(COC[C@@H](C)O)(COC[C@@H](C)O)COC[C@H](C)O)O
Non polymer #8 SF4

InChI=1S/4Fe.4S

[S]12[Fe]3[S]4[Fe]1[S]5[Fe]2[S]3[Fe]45
Non polymer #9 SO3

InChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3)/p-2

[O-]S(=O)[O-]
Non polymer #10 SRM

InChI=1S/C42H46N4O16.Fe/c1-41(17-39(59)60)23(5-9-35(51)52)29-14-27-21(11-37(55)56)19(3-7-33(47)48)25(43-27)13-26-20(4-8-34(49)50)22(12-38(57)58)28(44-26)15-31-42(2,18-40(61)62)24(6-10-36(53)54)30(46-31)16-32(41)45-29;/h13-16,23-24H,3-12,17-18H2,1-2H3,(H10,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62);/q;+2/p-2/t23?,24-,41+,42+;/m1./s1

C[C@@]1(C(C2=[N]3C1=Cc4c(c(c5n4[Fe]36N7C(=C5)C(=C(C7=CC8=[N]6C(=C2)[C@@](C8CCC(=O)O)(C)CC(=O)O)CC(=O)O)CCC(=O)O)CCC(=O)O)CC(=O)O)CCC(=O)O)CC(=O)O
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Reference