Structure of PDB 6l32 Chain A Binding Site BS02

Receptor Information

>6l32 Chain A (length=595) Species: 72004 (Bos mutus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

SWEVGCGAPVPLVKCDENSPYRTITGDCNNRRSPALGAANRALARWLPAE
YEDGLALPFGWTQRKTRNGFRVPLAREVSNKIVGYLDEEGVLDQNRSLLF
MQWGQIVDHDLDFAPETELGSNEHSKTQCEEYCIQGDNCFPIMFPKNDPK
LKTQGKCMPFFRAGFVCPTPPYQSLAREQINAVTSFLDASLVYGSEPSLA
SRLRNLSSPLGLMAVNQEAWDHGLAYLPFNNKKPSPCEFINTTARVPCFL
AGDFRASEQILLATAHTLLLREHNRLARELKKLNPHWNGEKLYQEARKIL
GAFIQIITFRDYLPIVLGSEMQKWIPPYQGYNNSVDPRISNVFTFAFRFG
HMEVPSTVSRLDENYQPWGPEAELPLHTLFFNTWRIIKDGGIDPLVRGLL
AKKSKLMNQDKMVTSELRNKLFQPTHKIHGFDLAAINLQRCRDHGMPGYN
SWRGFCGLSQPKTLKGLQTVLKNKILAKKLMDLYKTPDNIDIWIGGNAEP
MVERGRVGPLLACLLGRQFQQIRDGDRFWWENPGVFTEKQRDSLQKVSFS
RLICDNTHITKVPLHAFQANNYPHDFVDCSTVDKLDLSPWASREN

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

6l32 Chain A Residue 608 [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	6l32 Potassium-induced partial inhibition of lactoperoxidase: structure of the complex of lactoperoxidase with potassium ion at 2.20 angstrom resolution.
Resolution	2.3 Å
Binding residue (original residue number in PDB)	M101 G104 Q105 D108 H109 R255 E258 Q259 T344 F347 R348 G350 H351 V354 L433 I436 R440
Binding residue (residue number reindexed from 1)	M101 G104 Q105 D108 H109 R255 E258 Q259 T344 F347 R348 G350 H351 V354 L433 I436 R440
Annotation score	1

Enzymatic activity

Catalytic site (original residue number in PDB)	Q105 D108 H109 D110 T184 F186 D188 S190 R255 E258 H351
Catalytic site (residue number reindexed from 1)	Q105 D108 H109 D110 T184 F186 D188 S190 R255 E258 H351
Enzyme Commision number	1.11.1.7: peroxidase.

Gene Ontology

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

	Biological Process
GO:0006979	response to oxidative stress

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Molecular Function

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Biological Process

External links

PDB	RCSB:6l32, PDBe:6l32, PDBj:6l32
PDBsum	6l32
PubMed	33427997
UniProt	L8ICE9

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