Structure of PDB 3faq Chain A Binding Site BS01

Receptor Information

>3faq Chain A (length=595) Species: 89462 (Bubalus bubalis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

SWEVGCGAPVPLVKCDENSPYRTITGDCNNRRSPALGAANRALARWLPAE
YEDGLALPFGWTQRKTRNGFRVPLAREVSNKIVGYLDEEGVLDQNRSLLF
MQWGQIVDHDLDFAPETELGSNEHSKTQCEEYCIQGDNCFPIMFPKNDPK
LKTQGKCMPFFRAGFVCPTPPYQSLAREQINAVTSFLDASLVYGSEPSLA
SRLRNLSSPLGLMAVNQEAWDHGLAYLPFNNKKPSPCEFINTTARVPCFL
AGDFRASEQILLATAHTLLLREHNRLARELKKLNPHWNGEKLYQEARKIL
GAFIQIITFRDYLPIVLGSEMQKWIPPYQGYNNSVDPRISNVFTFAFRFG
HMEVPSTVSRLDENYQPWGPEAELPLHTLFFNTWRIIKDGGIDPLTRGLL
AKKSKLMNQDKMVTSELRNKLFQPTHKIHGFDLAAINLQRCRDHGMPGYN
SWRGFCGLSQPKTLKGLQTVLKNKILAKKLMDLYKTPDNIDIWIGGNAEP
MVERGRVGPLLACLLGRQFQQIRDGDRFWWENPGVFTEKQRDSLQKFSFS
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

3faq Chain A Residue 601 [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	3faq Structural Evidence of Substrate Specificity in Mammalian Peroxidases: STRUCTURE OF THE THIOCYANATE COMPLEX WITH LACTOPEROXIDASE AND ITS INTERACTIONS AT 2.4 A RESOLUTION
Resolution	2.7 Å
Binding residue (original residue number in PDB)	M101 G104 Q105 D108 D112 F113 A114 E258 Q259 T344 F347 R348 G350 H351 V354 L433 I436 R440
Binding residue (residue number reindexed from 1)	M101 G104 Q105 D108 D112 F113 A114 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:3faq, PDBe:3faq, PDBj:3faq
PDBsum	3faq
PubMed	19339248
UniProt	A5JUY8\|PERL_BUBBU Lactoperoxidase (Gene Name=LPO)

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