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Receptor Information

>7qzr Chain D (length=465) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

VNCETSCVQQPPCFPLKIPPNDPRIKNQADCIPFFRSCPACPGSNITIRN
QINALTSFVDASMVYGSEEPLARNLRNMSNQLGLLAVNQRFQDNGRALLP
FDNLHDDPCLLTNRSARIPCFLAGDTRSSEMPELTSMHTLLLREHNRLAT
ELKSLNPRWDGERLYQEARKIVGAMVQIITYRDYLPLVLGPTAMRKYLPT
YRSYNDSVDPRIANVFTNAFRYGHTLIQPFMFRLDNRYQPMEPNPRVPLS
RVFFASWRVVLEGGIDPILRGLMATPAKLNRQNQIAVDEIRERLFEQVMR
IGLDLPALNMQRSRDHGLPGYNAWRRFCGLPQPETVGQLGTVLRNLKLAR
KLMEQYGTPNNIDIWMGGVSEPLKRKGRVGPLLACIIGTQFRKLRDGDRF
WWENEGVFSMQQRQALAQISLPRIICDNTGITTVSKNNIFMSNSYPRDFV
NCSTLPALNLASWRE

Ligand ID

HEC

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,9-12H2,1-6H3,(H,39,40)(H,41,42);/q-4;+4/b21-7?,22-8?,26-13-,29-14-,30-15-,31-16-;

InChIKey

HXQIYSLZKNYNMH-LJNAALQVSA-N

SMILES

Software	SMILES
ACDLabs 10.04	O=C(O)CCC1=C(C2=CC6=C(C(=C/C)\C5=CC4=C(C(\C3=Cc7c(c(c8C=C1N2[Fe](N34)(N56)n78)CCC(=O)O)C)=C/C)C)C)C
OpenEye OEToolkits 1.5.0	CC=C1C(=C2C=C3C(=CC)C(=C4N3[Fe]56N2C1=Cc7n5c(c(c7C)CCC(=O)O)C=C8N6C(=C4)C(=C8CCC(=O)O)C)C)C
CACTVS 3.341	C\C=C1/C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)\C7=C/C)C=C1N2[Fe@@]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
CACTVS 3.341	CC=C1C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)C7=CC)C=C1N2[Fe]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C

Formula

C34 H34 Fe N4 O4

Name

HEME C

ChEMBL

DrugBank

ZINC

PDB chain

7qzr Chain C Residue 301 [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	7qzr The staphylococcal inhibitory protein SPIN binds to human myeloperoxidase with picomolar affinity but only dampens halide oxidation.
Resolution	2.18 Å
Binding residue (original residue number in PDB)	E408 M409 T495 F498 R499 H502 I505 F573 L583 R590
Binding residue (residue number reindexed from 1)	E130 M131 T217 F220 R221 H224 I227 F295 L305 R312
Annotation score	1

Enzyme Commision number

1.11.2.2: myeloperoxidase.

	Molecular Function
GO:0004601	peroxidase activity
GO:0020037	heme binding

	Biological Process
GO:0006979	response to oxidative stress

PDB	RCSB:7qzr, PDBe:7qzr, PDBj:7qzr
PDBsum	7qzr
PubMed	36150500
UniProt	P05164\|PERM_HUMAN Myeloperoxidase (Gene Name=MPO)

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Structure of PDB 7qzr Chain D Binding Site BS02