Structure of PDB 7c52 Chain C Binding Site BS02

Receptor Information

>7c52 Chain C (length=311) Species: 1050 (Thermochromatium tepidum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

CEGPPPGTEQIGYRGVGMENYYNKRQRALSIQANQPVESLPAADSTGPKA
SEVYQNVQVLKDLSVGEFTRTMVAVTTWVSPKEGCNYCHVPGNWASDDIY
TKVVSRRMFELVRAANSDWKAHVAETGVTCYTCHRGNPVPKYAWVTDPGP
KYPSGLKPTGQNYGSKTVAYASLPFDPLTPFLDQANEIRITGNAALAGSN
PASLKQAEWTFGLMMNISDSLGVGCTFCHNTRAFNDWTQSTPKRTTAWYA
IRHVRDINQNYIWPLNDVLPASRKGPYGDPLRVSCMTCHQAVNKPLYGAQ
MAKDYPGLYKT

Ligand information

Ligand ID

HEM

InChI

InChI=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-;

InChIKey

KABFMIBPWCXCRK-RGGAHWMASA-L

SMILES

Software	SMILES
OpenEye OEToolkits 1.7.6	Cc1c2n3c(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 3.385	CC1=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 12.01	C=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

Formula

C34 H32 Fe N4 O4

Name

PROTOPORPHYRIN IX CONTAINING FE;
HEME

PDB chain

7c52 Chain C Residue 502 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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Structure summary

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PDB	7c52 Crystal structure of a photosynthetic LH1-RC in complex with its electron donor HiPIP.
Resolution	2.89 Å
Binding residue (original residue number in PDB)	V101 Y109 Y122 T123 V126 S127 M130 F131 V134 C152 C155 H156 V161 P162 R295 L303 V305
Binding residue (residue number reindexed from 1)	V79 Y87 Y100 T101 V104 S105 M108 F109 V112 C130 C133 H134 V139 P140 R273 L281 V283
Annotation score	4

Enzymatic activity

Enzyme Commision number

Gene Ontology

	Molecular Function
GO:0005506	iron ion binding
GO:0009055	electron transfer activity
GO:0020037	heme binding

	Biological Process
GO:0019684	photosynthesis, light reaction

	Cellular Component
GO:0030077	plasma membrane light-harvesting complex

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Cellular Component

External links

PDB	RCSB:7c52, PDBe:7c52, PDBj:7c52
PDBsum	7c52
PubMed	33597527
UniProt	D2Z0P5\|CYCR_THETI Photosynthetic reaction center cytochrome c subunit (Gene Name=pufC)

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