Structure of PDB 3eh3 Chain A Binding Site BS02

Receptor Information
>3eh3 Chain A (length=557) Species: 300852 (Thermus thermophilus HB8) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SEISRVYEAYPEKKATLYFLVLGFLALIVGSLFGPFQALNYGNVDAYPLL
KRLLPFVQSYYQGLTLHGVLNAIVFTQLFAQAIMVYLPARELNMRPNMGL
MWLSWWMAFIGLVVAALPLLANEATVLYTFYPPLKGHWAFYLGASVFVLS
TWVSIYIVLDLWRRWKAANPGKVTPLVTYMAVVFWLMWFLASLGLVLEAV
LFLLPWSFGLVEGVDPLVARTLFWWTGHPIVYFWLLPAYAIIYTILPKQA
GGRLVSDPMARLAFLLFLLLSTPVGFHHQFADPGIDPTWKMIHSVLTLFV
AVPSLMTAFTVAASLEFAGRLRGGRGLFGWIRALPWDNPAFVAPVLGLLG
FIPGGAGGIVNASFTLDYVVHNTAWVPGHFHLQVASLVTLTAMGSLYWLL
PNLTGKPISDAQRRLGLAVVWLWFLGMMIMAVGLHWAGLLNVPRRAYIAQ
VPDAYPHAAVPMVFNVLAGIVLLVALLLFIYGLFSVLLSRERKPELAEAP
LPFAEVISGPEDRRLVLAMDRIGFWFAVAAILVVLAYGPTLVQLFGHLNP
VPGWRLW
Ligand information
Ligand IDHEM
InChIInChI=1S/C34H34N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,1-2,9-12H2,3-6H3,(H4,35,36,37,38,39,40,41,42);/q;+2/p-2/b25-13-,26-13-,27-14-,28-15-,29-14-,30-15-,31-16-,32-16-;
InChIKeyKABFMIBPWCXCRK-RGGAHWMASA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=[N]4[Fe]36[N]7=C(C=C8N6C(=C5)C(=C8C)C=C)C(=C(C7=C2)C)C=C)C)CCC(=O)O
CACTVS 3.385CC1=C(CCC(O)=O)C2=Cc3n4[Fe]5|6|N2=C1C=c7n5c(=CC8=N|6C(=Cc4c(C)c3CCC(O)=O)C(=C8C=C)C)c(C)c7C=C
ACDLabs 12.01C=1c3c(c(c4C=C5C(=C(C=6C=C7C(=C(C8=CC=2C(=C(C=1N=2[Fe](n34)(N5=6)N78)CCC(=O)O)C)\C=C)C)\C=C)C)C)CCC(=O)O
FormulaC34 H32 Fe N4 O4
NamePROTOPORPHYRIN IX CONTAINING FE;
HEME
ChEMBL
DrugBankDB18267
ZINC
PDB chain3eh3 Chain A Residue 800 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB3eh3 Combined microspectrophotometric and crystallographic examination of chemically reduced and X-ray radiation-reduced forms of cytochrome ba3 oxidase from Thermus thermophilus: structure of the reduced form of the enzyme.
Resolution3.1 Å
Binding residue
(original residue number in PDB)
G39 Q42 Y46 Y65 L69 H72 N76 L132 Y133 F385 H386 V389 A390 T394 M432 M435 R449 R450 L477
Binding residue
(residue number reindexed from 1)
G34 Q37 Y41 Y60 L64 H67 N71 L127 Y128 F380 H381 V384 A385 T389 M427 M430 R444 R445 L472
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H72 P101 Y133 S155 T156 H233 I235 Y237 Y248 H282 H283 S309 G331 H384 F385 H386 R449 R450
Catalytic site (residue number reindexed from 1) H67 P96 Y128 S150 T151 H228 I230 Y232 Y243 H277 H278 S304 G326 H379 F380 H381 R444 R445
Enzyme Commision number 7.1.1.9: cytochrome-c oxidase.
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

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:3eh3, PDBe:3eh3, PDBj:3eh3
PDBsum3eh3
PubMed19140675
UniProtQ5SJ79|COX1_THET8 Cytochrome c oxidase subunit 1 (Gene Name=cbaA)

[Back to BioLiP]