Structure of PDB 8hua Chain A

Receptor sequence

>8huaA (length=554) Species: 274 (Thermus thermophilus)

SRVYEAYPEKKATLYFLVLGFLALIVGSLFGPFQALNYGNVDAYPLLKRL
LPFVQSYYQGLTLHGVLNAIVFTQLFAQAIMVYLPARELNMRPNMGLMWL
SWWMAFIGLVVAALPLLANEATVLYTFYPPLKGHWAFYLGASVFVLSTWV
SIYIVLDLWRRWKAANPGKVTPLVTYMAVVFWLMWFLASLGLVLEAVLFL
LPWSFGLVEGVDPLVARTLFWWTGHPIVYFWLLPAYAIIYTILPKQAGGK
LVSDPMARLAFLLFLLLSTPVGFHHQFADPGIDPTWKMIHSVLTLFVAVP
SLMTAFTVAASLEFAGRLRGGRGLFGWIRALPWDNPAFVAPVLGLLGFIP
GGAGGIVNASFTLDYVVHNTAWVPGHFHLQVASLVTLTAMGSLYWLLPNL
TGKPISDAQRRLGLAVVWLWFLGMMIMAVGLHWAGLLNVPRRAYIAQVPD
AYPHAAVPMVFNVLAGIVLLVALLLFIYGLFSVLLSRERKPELAEAPLPF
AEVISGPEDRRLVLAMDRIGFWFAVAAILVVLAYGPTLVQLFGHLNPVPG
WRLW

3D structure

• PDB: 8hua A simple goniometer-compatible flow cell for serial synchrotron X-ray crystallography.
• Chain: A
• Resolution: 2.12 Å

Enzymatic activity

• Enzyme Commision number: 7.1.1.9: cytochrome-c oxidase.

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	CU	A	H233 H282 H283	H225 H274 H275
BS02	HEM	A	G39 Q42 Y46 Y65 L69 H72 N76 Y133 F385 H386 A390 M432 M435 R449 R450 L477	G31 Q34 Y38 Y57 L61 H64 N68 Y125 F377 H378 A382 M424 M427 R441 R442 L469
BS03	HAS	A	Y133 W229 V236 Y237 W239 H282 H283 A313 L353 F356 G360 G363 N366 A367 D372 H376 H384 F385 Q388 R449	Y125 W221 V228 Y229 W231 H274 H275 A305 L345 F348 G352 G355 N358 A359 D364 H368 H376 F377 Q380 R441

Gene Ontology

Molecular Function

• GO:0004129 cytochrome-c oxidase activity
• GO:0020037 heme binding
• GO:0046872 metal ion binding

Biological Process

• GO:0006119 oxidative phosphorylation
• GO:0009060 aerobic respiration
• GO:1902600 proton transmembrane transport

Cellular Component

• GO:0005886 plasma membrane
• GO:0016020 membrane

External links

• PDB: RCSB:8hua, PDBe:8hua, PDBj:8hua
• PDBsum: 8hua
• PubMed: 37032973
• UniProt: Q5SJ79|COX1_THET8 Cytochrome c oxidase subunit 1 (Gene Name=cbaA)