Structure of PDB 8rca Chain A

Receptor sequence

>8rcaA (length=967) Species: 882 (Nitratidesulfovibrio vulgaris str. Hildenborough)

ELQKLQWAKQTTSICCYCAVGCGLIVHTAKDGQGRAVNVEGDPDHPINEG
SLCPKGASIFQLGENDQRGTQPLYRAPFSDTWKPVTWDFALTEIAKRIKK
TRDASFTEKNAAGDLVNRTEAIASFGSAAMDNEECWAYGNILRSLGLVYI
EHQARICHSPTVPALAESFGRGAMTNHWNDLANSDCILIMGSNAAENHPI
AFKWVLRAKDKGATLIHVDPRFTRTSARCDVYAPIRSGADIPFLGGLIKY
ILDNKLYFTDYVREYTNASLIVGEKFSFKDGLFSGYDAANKKYDKSMWAF
ELDANGVPKRDPALKHPRCVINLLKKHYERYNLDKVAAITGTSKEQLQQV
YKAYAATGKPDKAGTIMYAMGWTQHSVGVQNIRAMAMIQLLLGNIGVAGG
GVNALRGESNVQGSTDQGLLAHIWPGYNPVPNSKAATLELYNAATPQSKD
PMSVNWWQNRPKYVASYLKALYPDEEPAAAYDYLPRIDAGRKLTDYFWLN
IFEKMDKGEFKGLFAWGMNPACGGANANKNRKAMGKLEWLVNVNLFENET
SSFWKGPGMNPAEIGTEVFFLPCCVSIEKEGSVANSGRWMQWRYRGPKPY
AETKPDGDIMLDMFKKVRELYAKEGGAYPAPIAKLNIADWEEHNEFSPTK
VAKLMNGYFLKDTEVGGKQFKKGQQVPSFAFLTADGSTCSGNWLHAGSFT
DAGNLMARRDKTQTPEQARIGLFPNWSFCWPVNRRILYNRASVDKTGKPW
NPAKAVIEWKDGKWVGDVVDGGGDPGTKHPFIMQTHGFGALYGPGREEGP
FPEHYEPLECPVSKNPFSKQLHNPVAKAVCDPRYPFIGTTYRVTEHWQTG
LMTRRCAWLVEAEPQIFCEISKELAKLRGIGNGDTVKVSSLRGALEAVAI
VTERIRPFKIEGVDVHMVGLPWHYGWMVPKNGGDTANLLTPSAGDPNTGI
PETKAFMVDVRKVWSHP

3D structure

• PDB: 8rca Substrate-dependent oxidative inactivation of a W-dependent formate dehydrogenase involving selenocysteine displacement
• Chain: A
• Resolution: 1.664 Å

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)	Binding affinity
BS01	MGD	A	K90 U192 G226 N228 N232 D254 P255 R256 S272 D275 A404 M405 G406 W407 G442 Y883 R884 T886 H888 W889 Q890 K996	K55 U157 G191 N193 N197 D219 P220 R221 S237 D240 A369 M370 G371 W372 G407 Y841 R842 T844 H846 W847 Q848 K954
BS02	MGD	A	A164 Q188 I191 U192 M405 G552 M553 N554 N579 C608 K614 D641 T882 R884 Q890 T891 L893 M894 W964 N979 T995	A129 Q153 I156 U157 M370 G517 M518 N519 N544 C573 K579 D606 T840 R842 Q848 T849 L851 M852 W922 N937 T953
BS03	SF4	A	C50 C53 V55 C57 L87 C88 G91 P234 I235	C15 C18 V20 C22 L52 C53 G56 P199 I200

Gene Ontology

Molecular Function

• GO:0005515 protein binding
• GO:0009055 electron transfer activity
• GO:0016491 oxidoreductase activity
• GO:0030151 molybdenum ion binding
• GO:0046872 metal ion binding
• GO:0051539 4 iron, 4 sulfur cluster binding

Biological Process

• GO:0009061 anaerobic respiration

Cellular Component

• GO:0042597 periplasmic space

External links

• PDB: RCSB:8rca, PDBe:8rca, PDBj:8rca
• PDBsum: 8rca
• PubMed: 39148770
• UniProt: Q72EJ1