Structure of PDB 1sj2 Chain B Binding Site BS01

Receptor Information
>1sj2 Chain B (length=717) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GHMKYPVEGGGNQDWWPNRLNLKVLHQNPAVADPMGAAFDYAAEVATIDV
DALTRDIEEVMTTSQPWWPADYGHYGPLFIRMAWHAAGTYRIHDGRGGAG
GGMQRFAPLNSWPDNASLDKARRLLWPVKKKYGKKLSWADLIVFAGNCAL
ESMGFKTFGFGFGRVDQWEPDEVYWGKEATWLGDERYSGKRDLENPLAAV
QMGLIYVNPEGPNGNPDPMAAAVDIRETFRRMAMNDVETAALIVGGHTFG
KTHGAGPADLVGPEPEAAPLEQMGLGWKSSYGTGTGKDAITSGIEVVWTN
TPTKWDNSFLEILYGYEWELTKSPAGAWQYTAKDGAGAGTIPDPFGGPGR
SPTMLATDLSLRVDPIYERITRRWLEHPEELADEFAKAWYKLIHRDMGPV
ARYLGPLVPKQTLLWQDPVPAVSHDLVGEAEIASLKSQIRASGLTVSQLV
STAWAAASSFRGSDKRGGANGGRIRLQPQVGWEVNDPDGDLRKVIRTLEE
IQESFNSAAPGNIKVSFADLVVLGGCAAIEKAAKAAGHNITVPFTPGRTD
ASQEQTDVESFAVLEPKADGFRNYLGKGNPLPAEYMLLDKANLLTLSAPE
MTVLVGGLRVLGANYKRLPLGVFTEASESLTNDFFVNLLDMGITWEPSPA
DDGTYQGKDGSGKVKWTGSRVDLVFGSNSELRALVEVYGADDAQPKFVQD
FVAAWDKVMNLDRFDVR
Ligand information
Ligand IDHEM
InChIInChI=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-;
InChIKeyKABFMIBPWCXCRK-RGGAHWMASA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6Cc1c2n3c(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 3.385CC1=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 12.01C=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
FormulaC34 H32 Fe N4 O4
NamePROTOPORPHYRIN IX CONTAINING FE;
HEME
ChEMBL
DrugBankDB18267
ZINC
PDB chain1sj2 Chain B Residue 1500 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1sj2 Crystal Structure of Mycobacterium tuberculosis Catalase-Peroxidase.
Resolution2.41 Å
Binding residue
(original residue number in PDB)		P100 L101 I103 R104 W107 F252 L265 I266 G269 H270 K274 T275 H276 T314 S315 W321 W412
Binding residue
(residue number reindexed from 1)		P77 L78 I80 R81 W84 F229 L242 I243 G246 H247 K251 T252 H253 T291 S292 W298 W389
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) R104 H108 H270 W321 D381
Catalytic site (residue number reindexed from 1) R81 H85 H247 W298 D358
Enzyme Commision number 1.11.1.21: catalase peroxidase.
Gene Ontology
Molecular Function
GO:0004096 catalase activity
GO:0004601 peroxidase activity
GO:0005515 protein binding
GO:0016677 oxidoreductase activity, acting on a heme group of donors, nitrogenous group as acceptor
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0070402 NADPH binding
GO:0070404 NADH binding
Biological Process
GO:0006979 response to oxidative stress
GO:0042744 hydrogen peroxide catabolic process
GO:0045739 positive regulation of DNA repair
GO:0046677 response to antibiotic
GO:0070301 cellular response to hydrogen peroxide
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005576 extracellular region
GO:0005829 cytosol
GO:0005886 plasma membrane
GO:0009274 peptidoglycan-based cell wall

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1sj2, PDBe:1sj2, PDBj:1sj2
PDBsum1sj2
PubMed15231843
UniProtP9WIE5|KATG_MYCTU Catalase-peroxidase (Gene Name=katG)

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