Structure of PDB 5nqd Chain C

Receptor sequence

>5nqdC (length=843) Species: 1125847 (Pseudorhizobium banfieldiae)

AFKRHIDRLPIIPADAKKHNVTCHFCIVGCGYHAYTWPINKQGGTDPQNN
IFGVDLSEQQQAESDAWYSPSMYNVVKQDGRDVHVVIKPDHECVVNSGLG
SVRGARMAETSFSEARNTQQQRLTDPLVWRYGQMQPTSWDDALDLVARVT
AKIVKEKGEDALIVSAFDHGGAGGGYENTWGTGKLYFEAMKVKNIRIHNR
PAYNSEVHGTRDMGVGELNNCYEDAELADTIVAVGTNALETQTNYFLNHW
IPNLRGESLGKKKELMPEEPHEAGRIIIVDPRRTVTVNACEQTAGADNVL
HLAINSGTDLALFNALFTYIADKGWVDRDFIDKSTLREGTARPPLYPARG
VSEANPGHLSSFEDAVEGCRMSIEEAAEITGLDAAQIIKAAEWIGMPKEG
GKRRRVMFGYEKGLIWGNDNYRTNGALVNLALATGNIGRPGGGVVRLGGH
QEGYVRPSDAHVGRPAAYVDQLLIGGQGGVHHIWGCDHYKTTLNAHEFKR
VYKKRTDMVKDAMSAAPYGDREAMVNAIVDAINQGGLFAVNVDIIPTKIG
EACHVILPAATSGEMNLTSMNGERRMRLTERYMDPPGQSMPDCLIAARLA
NTMERVLTEMGDVGYAAQFKGFDWQTEEDAFMDGYNKNAHGGEFVTYERL
SAMGTNGFQEPATGFTDGKIEGTQRLYTDGVFSTDDGKARFMDAPWRGLQ
APGKQQQKDSHKYLINNGRANVVWQSAYLDQENDFVMDRFPYPFIEMNPE
DMAEAGLKEGDLVEIYNDAGATQAMAYPTPTARRGETFMLFGFPTGVQGN
VTSAGTNELIIPNYKQTWGNIRKISDAPRNVAHLSFKSKEYQS

3D structure

• PDB: 5nqd Arsenite oxidase AioAB from Rhizobium sp. str. NT-26 mutant AioBF108A
• Chain: C
• Resolution: 2.2 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): C27 G101 S102 R104 A203 Y204 T242 K413 G450 H451
• Catalytic site (residue number reindexed from 1): C26 G100 S101 R103 A202 Y203 T241 K412 G449 H450
• Enzyme Commision number: 1.20.98.1: Transferred entry: 1.20.9.1.

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	C	G174 H199 N200 W417 G486 C487 D488 T492 V543 D544 I545 A560 T562 D593 N718 R720 Q726 S727 Y729 F792 Y815	G173 H198 N199 W416 G485 C486 D487 T491 V542 D543 I544 A559 T561 D592 N717 R719 Q725 S726 Y728 F791 Y814
BS02	MGD	C	R104 G236 N238 T242 V280 D281 P282 R283 G308 D310 E412 K413 G414 G450 H451 N717 G719 R720 N722 V724 W725 Q726 K816	R103 G235 N237 T241 V279 D280 P281 R282 G307 D309 E411 K412 G413 G449 H450 N716 G718 R719 N721 V723 W724 Q725 K815
BS03	F3S	C	C24 C27 C31 Y33 S102 R104 G105 N245	C23 C26 C30 Y32 S101 R103 G104 N244

Gene Ontology

Molecular Function

• GO:0016491 oxidoreductase activity
• GO:0043546 molybdopterin cofactor binding
• GO:0046872 metal ion binding
• GO:0051536 iron-sulfur cluster binding
• GO:0051538 3 iron, 4 sulfur cluster binding

Biological Process

• GO:0045333 cellular respiration

Cellular Component

• GO:1990204 oxidoreductase complex

External links

• PDB: RCSB:5nqd, PDBe:5nqd, PDBj:5nqd
• PDBsum: 5nqd
• UniProt: Q6VAL8