Structure of PDB 7bkb Chain k

Receptor sequence

>7bkbk (length=386) Species: 323259 (Methanospirillum hungatei JF-1) [Search protein sequence]

STLFPKYSKTTDGSKVIMEQRLLQQVNNLILDNDICTGCGICSEVCPEEA
ISVGAVGGVRRGLVDDAASIHVDETKCSYCGVCVIMCPFSALALKVDGEE
RLPILEKEGFPTYDKGTAIDQDKCVRCNICDDVCPRDAIDRDVPLFEGED
KEGLAKGQAVELKIEFKVDDEKCTKCGICGNLCEAINVLHKPFSPEIGKV
EGEVIWDEAYCDGCNVCAEACPSEAIKVTRTVVGQKKLGNVNIIDEDCCT
CRWCAINCPTEAITVNKIFEGEITFHAEKCPGGCSTCVDVCPANAIYLPT
PKPAKDMKGQIEAKIAVNKDFCILCGACVNACPGEDIIYLRRDSVKIKGK
ETDLFKKIKEKLFTPRTSKVKEQPSLAGSVELKAVS

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

1.2.99.5: Transferred entry: 1.2.7.12.

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	k	C281 P282 C285 T287 C288 C333 P334	C280 P281 C284 T286 C287 C332 P333
BS02	SF4	k	I274 C292 C323 I324 L325 C326 G327 C329	I273 C291 C322 I323 L324 C325 G326 C328
BS03	SF4	k	C47 P48 I52 C78 S79 Y80 C81 G82 C84	C46 P47 I51 C77 S78 Y79 C80 G81 C83
BS04	SF4	k	C37 T38 C40 C43 C88 L93	C36 T37 C39 C42 C87 L92
BS05	SF4	k	I120 C125 V126 C128 C131 C259 P260 I264	I119 C124 V125 C127 C130 C258 P259 I263
BS06	SF4	k	C135 P136 I244 C249 C250 T251 C252 C255	C134 P135 I243 C248 C249 T250 C251 C254
BS07	SF4	k	C184 I187 C212 D213 C215 N216 C218	C183 I186 C211 D212 C214 N215 C217
BS08	SF4	k	C174 K176 C177 I179 C180 C222 P223 A226 I227	C173 K175 C176 I178 C179 C221 P222 A225 I226

Gene Ontology

	Molecular Function
GO:0016491	oxidoreductase activity

View graph for
Molecular Function

External links

PDB	RCSB:7bkb, PDBe:7bkb, PDBj:7bkb
PDBsum	7bkb
PubMed	34516836
UniProt	Q2FKZ4

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