Structure of PDB 1d4c Chain B

Receptor sequence

>1d4cB (length=566) Species: 70863 (Shewanella oneidensis) [Search protein sequence]

EVLADFHGEMGGCDSCHVSDKGGVTNDNLTHENGQCVSCHGDLKELAAAA
PKVSPHKSHLIGEIACTSCHKGHEKSVAYCDACHSFGFDMPFGGKWERKF
VPVDADKAAQDKAIAAGVKETTDVVIIGSGGAGLAAAVSARDAGAKVILL
EKEPIPGGNTKLAAGGMNAAETKPQAKLGIEDKKQIMIDDTMKGGRNIND
PELVKVLANNSSDSIDWLTSMGADMTDVGRMGGASVNRSHRPTGGAGVGA
HVAQVLWDNAVKRGTDIRLNSRVVRILEDASGKVTGVLVKGEYTGYYVIK
ADAVVIAAGGFAKNNERVSKYDPKLKGFKATNHPGATGDGLDVALQAGAA
TRDLEYIQAHPTYSPAGGVMITEAVRGNGAIVVNREGNRFMNEITTRDKA
SAAILQQKGESAYLVFDDSIRKSLKAIEGYVHLNIVKEGKTIEELAKQID
VPAAELAKTVTAYNGFVKSGKDAQFERPDLPRELVVAPFYALEIAPAVHH
TMGGLVIDTKAEVKSEKTGKPITGLYAAGEVTGGVHGANRLGGNAISDIV
TYGRIAGASAAKFAKD

3D structure

PDB

1d4c Structure and mechanism of the flavocytochrome c fumarate reductase of Shewanella putrefaciens MR-1.

Chain

Resolution

2.9 Å

3D
structure

Catalytic site residues are labeled in the structure
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Enzymatic activity

Catalytic site (original residue number in PDB)	M235 Q362 H364 M374 E377 R380 R401 H503 H504 R544
Catalytic site (residue number reindexed from 1)	M231 Q358 H360 M370 E373 R376 R397 H499 H500 R540
Enzyme Commision number	1.3.2.4: fumarate reductase (cytochrome).

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)
BS01	HEC	B	S62 H63 L64 Y83 C84 C87 H88 F90 L166 A168 V373 G433 Y434 L437	S58 H59 L60 Y79 C80 C83 H84 F86 L162 A164 V369 G429 Y430 L433
BS02	HEC	B	H42 L45 L48 P59 H60 C70 C73 H74 M94	H40 L43 L46 P55 H56 C66 C69 H70 M90
BS03	HEC	B	A6 G14 C15 C18 H19 K23 G24 G25 K75 G76 H77 Y297	A4 G12 C13 C16 H17 K21 G22 G23 K71 G72 H73 Y293
BS04	HEC	B	L5 H9 Q37 C38 C41 H42 H74 P95	L3 H7 Q35 C36 C39 H40 H70 P91
BS05	FAD	B	I131 G132 G134 A136 E155 K156 G162 N163 T164 A167 G169 G170 R276 V277 A312 G313 T335 D343 M374 H503 H504 G533 E534 G547 A549 I550 I553	I127 G128 G130 A132 E151 K152 G158 N159 T160 A163 G165 G166 R272 V273 A308 G309 T331 D339 M370 H499 H500 G529 E530 G543 A545 I546 I549
BS06	HEC	B	I202 Y360	I198 Y356
BS07	HEC	B	Y325 D326 Y360	Y321 D322 Y356

Gene Ontology

	Molecular Function
GO:0010181	FMN binding
GO:0016491	oxidoreductase activity

View graph for
Molecular Function

External links

PDB	RCSB:1d4c, PDBe:1d4c, PDBj:1d4c
PDBsum	1d4c
PubMed	10581551
UniProt	P83223\|FCCA_SHEON Fumarate reductase (cytochrome) (Gene Name=fccA)

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