Structure of PDB 2isa Chain C Binding Site BS01

Receptor Information
>2isa Chain C (length=482) Species: 316275 (Aliivibrio salmonicida LFI1238) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SKKLTTAAGCPVAHNQNVQTAGKRGPQLLQDVWFLEKLAHFDREVIPERR
MHAKGSGAYGTFTVTHDITKYTKAKIFSDIGKKTDMFARFSTVAGERGAA
DAERDIRGFSLKFYTEEGNWDLAGNNTPVFFLRDPLKFPDLNHAVKRDPR
TNMRSAKNNWDFWTSLPEALHQVTIVMSDRGIPATYRHMHGFGSHTFSFI
NSDNERYWVKFHFVSQQGIKNLSDAEAGELVGNDRESHQRDLLDSIDNQD
FPKWTLKVQIMPEADAATVPYNPFDLTKVWPHKDYPLIEVGEFELNRNPQ
NYFAEVEQAAFNPANVVPGISFSPDKMLQGRLFAYGDAQRYRLGVNHQHI
PVNAPRCPVHSYHRDGAMRVDGNFGSTLGYEPNDQGQWAEQPDFSEPPLN
LDGAAAHWDHREDEDYFSQPGDLFGLMTAEKQAILFDNTARNLNGVPKEI
QLRHVTHCYKADPAYGEGIGKLLGFDISEYNS
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 chain2isa Chain C Residue 485 [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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PDB2isa The first structure of a cold-active catalase from Vibrio salmonicida at 1.96A reveals structural aspects of cold adaptation
Resolution1.97 Å
Binding residue
(original residue number in PDB)		R51 M53 H54 R91 S112 A125 G126 N127 P137 F140 S196 F313 M329 R333 Y337 Q341 R344
Binding residue
(residue number reindexed from 1)		R49 M51 H52 R89 S110 A123 G124 N125 P135 F138 S194 F311 M327 R331 Y335 Q339 R342
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H54 N127 N314
Catalytic site (residue number reindexed from 1) H52 N125 N312
Enzyme Commision number 1.11.1.6: catalase.
Gene Ontology
Molecular Function
GO:0004096 catalase activity
GO:0004601 peroxidase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0006979 response to oxidative stress
GO:0042542 response to hydrogen peroxide
GO:0042744 hydrogen peroxide catabolic process
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005737 cytoplasm
GO:0042597 periplasmic space

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Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2isa, PDBe:2isa, PDBj:2isa
PDBsum2isa
PubMed17242507
UniProtQ3LSM1

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