2025-07-19_00000210|hard|9O8U

(1-methylalkyl)succinate synthase alpha-beta-gamma-delta complex with bound fumarate; Electron microscopy 2.80Å
Protein #1 858 residues (96% resolved)

MGSSHHHHHHSQMTATSTLSKTDLKNCETVEELRENQQWWWLAERERSARLDYLRKATWKKGALGGNYFDGIRLDLEYPTLFTEAWKKYPNDPSMLRRAKATAYVLDNISIFITDSAQLVGYVGSAPHTIAWRVDGASTVNSEVYNEPGIHAEPEAESLKKVAEINSYWNGQTAVDKVGRLIDPEDAVKFFSGAIGWGTPSSAFGYSGKNFEYFMKGDRAFSQIIAEIDEKIDEAEEATIGTPSPHILPLYDKLNNWHAMKLVLEAAIRFAGRYARLARVMAAKETDEQRKKELLRVAETCERVPANPPRNLQESLQYEHFVQVLARYEAHEGAWPSRPDYYHGPLYAKDVEVEKNITESEAIDLVGEYMIRCSEYGSFSPRYMREGLQGVTGTFVWTLGGVNQDGTDACNGMTIALLKAARLVRVANPTFGFRWHPKVSNEVLRECFECIRQGLGYPTLRNDPVLIQNTMHWYGHPLEEARTWVHMACMSPNPTTKHGTSPFRMASATMNSAKTIEYVLHNGYDRVVNMQMGPKTGDAREIKDFEDLFERWTVQLKWLMNLLVRTVNLGRFKDPEFFGRPFLSAITERAVEHGIDAVSPEGERGNAWVTAFTWIENVDSMAAIKKLVFDDKKYTMSQLIDALEAEWDGYEQMRLDFVKNGPKWGNDDDYVDDIMLRCLSVAAEHSRNIQCTSGNCWPILPENVSGNIHYANIVGALPNGRRRGDALYDGGVSPGPGLDKAGPTAVLKSVGKIDHVNQGRSFLLNQRLSPTQLAGDKGFQLWNSYVRTWAELGIDHIQFNVISDKVLRAAQNDPEGYQEVIVRVAGYSAHFIDISRKTQDNIIQRTVQGLGENLYFQG

MGSSHHHHHHSQMTATSTLSKTDLKNCETVEELRENQQWWWLAERERSARLDYLRKATWKKGALGGNYFDGIRLDLEYPTLFTEAWKKYPNDPSMLRRAKATAYVLDNISIFITDSAQLVGYVGSAPHTIAWRVDGASTVNSEVYNEPGIHAEPEAESLKKVAEINSYWNGQTAVDKVGRLIDPEDAVKFFSGAIGWGTPSSAFGYSGKNFEYFMKGDRAFSQIIAEIDEKIDEAEEATIGTPSPHILPLYDKLNNWHAMKLVLEAAIRFAGRYARLARVMAAKETDEQRKKELLRVAETCERVPANPPRNLQESLQYEHFVQVLARYEAHEGAWPSRPDYYHGPLYAKDVEVEKNITESEAIDLVGEYMIRCSEYGSFSPRYMREGLQGVTGTFVWTLGGVNQDGTDACNGMTIALLKAARLVRVANPTFGFRWHPKVSNEVLRECFECIRQGLGYPTLRNDPVLIQNTMHWYGHPLEEARTWVHMACMSPNPTTKHGTSPFRMASATMNSAKTIEYVLHNGYDRVVNMQMGPKTGDAREIKDFEDLFERWTVQLKWLMNLLVRTVNLGRFKDPEFFGRPFLSAITERAVEHGIDAVSPEGERGNAWVTAFTWIENVDSMAAIKKLVFDDKKYTMSQLIDALEAEWDGYEQMRLDFVKNGPKWGNDDDYVDDIMLRCLSVAAEHSRNIQCTSGNCWPILPENVSGNIHYANIVGALPNGRRRGDALYDGGVSPGPGLDKAGPTAVLKSVGKIDHVNQGRSFLLNQRLSPTQLAGDKGFQLWNSYVRTWAELGIDHIQFNVISDKVLRAAQNDPEGYQEVIVRVAGYSAHFIDISRKTQDNIIQRTVQGLGENLYFQG
Protein #2 120 residues (98% resolved)

MSRRDEWKKLQEEMTRDGGEIKSLETVPEQACGICLNFTDNAYGSDGRGSCNVLKAGSNISLPDVIITRSGENGYITFFNSDAKYCPNFERMKLIDTDGHECADPISRRVQRQLSSIKKS

MSRRDEWKKLQEEMTRDGGEIKSLETVPEQACGICLNFTDNAYGSDGRGSCNVLKAGSNISLPDVIITRSGENGYITFFNSDAKYCPNFERMKLIDTDGHECADPISRRVQRQLSSIKKS
Protein #3 60 residues (88% resolved)

STCKECRNYFPINEEASRGDCVRRISDERQSYYTARPTTEAAKCEGCSDYLENTRTAKAH

STCKECRNYFPINEEASRGDCVRRISDERQSYYTARPTTEAAKCEGCSDYLENTRTAKAH
Protein #4 71 residues (97% resolved)

MKCTECGHEAEVMKFRYHYNPRIDASLSLRQCPECQAVVTVDELKREVLGRMHNGDDPWGKSAGIENLAEG

MKCTECGHEAEVMKFRYHYNPRIDASLSLRQCPECQAVVTVDELKREVLGRMHNGDDPWGKSAGIENLAEG
Non polymer #5 DTT

InChI=1S/C4H10O2S2/c5-3(1-7)4(6)2-8/h3-8H,1-2H2/t3-,4-/m0/s1

C([C@@H]([C@H](CS)O)O)S
Non polymer #6 FE

InChI=1S/Fe/q+3

[Fe+3]
Non polymer #7 FUM

InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+

C(=C/C(=O)O)\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
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Reference