Structure of PDB 7bkb Chain a

Receptor sequence

>7bkba (length=662) Species: 323259 (Methanospirillum hungatei JF-1) [Search protein sequence]

PRIGVFVCHCGTNIAGSMSIDDVVNYAKTLPYVAVADQYQYMCSTPGQKK
IDDAIKEYNLTGVVVAACSPRLHEPTFRTATKEGGLNPFRFEMANIREQN
SWVHMHGMWDEATQKAKDQVRMAVAKAAKLEDLVPKSVPVEKTAMVVGGG
VAGMQAALDLASAGIKTYLIERTPTIGGRMSQLDKTFPTLDCSQCILTPK
MVDVGRHPNIEMMTYTEVEKVEGYIGNFDVTLRKKARGVLTPTEATAKGI
VGGGCNGCGDCSAVCPVIKPNPFEMGMAPRKAIYIYHAQVMPLIYTVDFD
SCVKCGLCVEACGDKKAIDLEMQDEFITVKVGTAVLATGYELFPIENKRE
WGYKQFDNVINALEFERLICASGPTGGHLVRPSDGKTPMKVGFVLCAGSR
DNTGIGKPYCSRFCCMYSLKHAHQIMEKIPGAVAYLFYMDIRSFGKMYEE
FYYRIQHEGAKFIRGRVANVLEDKETKNLHVFTEDTLLGRPVDVEVDLLV
LAAAVQPNEGANELRKKFGVSASQDGWMLEAHPKLNPCGTTTAGVFLAGV
CQGPKDIPDTVAQAEGAASAASIPIHMGEVELEPYFAMCIDELCAGCGMC
VNLCPYSALSLGEKNGRTVMVVTEAKCKGCGTCGGFCPGGAIKMQHFTTP
QIVAQIDAFFAG

3D structure

PDB

7bkb Three-megadalton complex of methanogenic electron-bifurcating and CO 2 -fixing enzymes.

Chain

Resolution

3.5 Å

3D
structure

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Enzymatic activity

Enzyme Commision number

1.8.-.-

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	SF4	a	C402 S405 R406 C416 S417 R418 C420 C421	C396 S399 R400 C410 S411 R412 C414 C415
BS02	FAD	a	V153 G156 V157 A158 E177 R178 G184 R185 L189 T192 F193 T344 G345 Y346 A368 F419 Y423 K426 V556 K561 D562 I563	V147 G150 V151 A152 E171 R172 G178 R179 L183 T186 F187 T338 G339 Y340 A362 F413 Y417 K420 V550 K555 D556 I557
BS03	SF4	a	C14 C16 Y47 C49 C74 R103	C8 C10 Y41 C43 C68 R97
BS04	SF4	a	C610 A614 L615 C633 K634 G635 C636 G637 C639	C604 A608 L609 C627 K628 G629 C630 G631 C633
BS05	SF4	a	C600 A601 C603 G604 C606 C643 I648	C594 A595 C597 G598 C600 C637 I642
BS06	SF4	a	C261 N262 G263 C264 G265 C267 Y301 C318 K321 I324	C255 N256 G257 C258 G259 C261 Y295 C312 K315 I318
BS07	SF4	a	C271 P272 A288 I289 C308 V309 K310 C311 G312 C314 L326	C265 P266 A282 I283 C302 V303 K304 C305 G306 C308 L320

Gene Ontology

	Molecular Function
GO:0016491	oxidoreductase activity
GO:0046872	metal ion binding
GO:0051539	4 iron, 4 sulfur cluster binding

View graph for
Molecular Function

External links

PDB	RCSB:7bkb, PDBe:7bkb, PDBj:7bkb
PDBsum	7bkb
PubMed	34516836
UniProt	Q2FKZ1

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