Structure of PDB 1b82 Chain B Binding Site BS03
Receptor Information
>1b82 Chain B (length=345) [
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RATCSNGKTVGDASCCAWFDVLDDIQQNLFHGGQCGAEAHESIRLVFHDS
IAISPAMEAQGKFGGGGADGSIMIFDDIETAFHPNIGLDEIVKLQKPFVQ
KHGVTPGDFIAFAGAVALSNCPGAPQMNFFTGRAPATQPAPDGLVPEPFH
TVDQIINRVNDAGEFDELELVWMLSAHSVAAVNDVDPTVQGLPFDSTPGI
FDSQFFVETQLRGTAFPGSGGNQGEVESPLPGEIRIQSDHTIARDSRTAC
EWQSFVNNQSKLVDDFQFIFLALTQLGQDPNAMTDCSDVIPQSKPIPGNL
PFSFFPAGKTIKDVEQACAETPFPTLTTLPGPETSVQRIPPPPGA
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
ChEMBL
DrugBank
DB18267
ZINC
PDB chain
1b82 Chain B Residue 350 [
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Receptor-Ligand Complex Structure
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PDB
1b82
Crystal structures of pristine and oxidatively processed lignin peroxidase expressed in Escherichia coli and of the W171F variant that eliminates the redox active tryptophan 171. Implications for the reaction mechanism.
Resolution
1.8 Å
Binding residue
(original residue number in PDB)
H39 I42 R43 F46 E146 P147 M172 L173 A175 H176 A179 A180 V181 D183 F193
Binding residue
(residue number reindexed from 1)
H40 I43 R44 F47 E147 P148 M173 L174 A176 H177 A180 A181 V182 D184 F194
Annotation score
1
Enzymatic activity
Catalytic site (original residue number in PDB)
H176 F193
Catalytic site (residue number reindexed from 1)
H177 F194
Enzyme Commision number
1.11.1.14
: lignin peroxidase.
Gene Ontology
Molecular Function
GO:0004601
peroxidase activity
GO:0016690
diarylpropane peroxidase activity
GO:0020037
heme binding
GO:0046872
metal ion binding
Biological Process
GO:0000302
response to reactive oxygen species
GO:0006979
response to oxidative stress
GO:0034599
cellular response to oxidative stress
GO:0042744
hydrogen peroxide catabolic process
GO:0046274
lignin catabolic process
GO:0098869
cellular oxidant detoxification
View graph for
Molecular Function
View graph for
Biological Process
External links
PDB
RCSB:1b82
,
PDBe:1b82
,
PDBj:1b82
PDBsum
1b82
PubMed
11162097
UniProt
P06181
|LIG8_PHACH Ligninase H8 (Gene Name=LPOA)
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