Structure of PDB 4aj9 Chain A

Receptor sequence
>4aj9A (length=677) Species: 5141 (Neurospora crassa) [Search protein sequence]
DARQRLKEVEVDDNGQFMTTDFGGNIEEQFSLKAGGRGSTLLEDFIFRQK
LQHFDHERIPERVVHARGAGAHGIFTSYGDWSNITAASFLGAKDKQTPVF
VRFSTVAGSRGSADTARDVHGFATRFYTDEGNFDIVGNNIPVFFIQDAIR
FPDLIHSVKPSPDNEVPQAATAHDSAWDFFSSQPSALHTLFWAMSGNGIP
RSYRHMDGFGIHTFRLVTEDGKSKLVKWHWKTKQGKAALVWEEAQVLAGK
NADFHRQDLWDAIESGNAPSWELAVQLIDEDKAQAYGFDLLDPTKFLPEE
FAPLQVLGEMTLNRNPMNYFAETEQISFQPGHIVRGVDFTEDPLLQGRLY
SYLDTQLNRHRGPNFEQLPINRPVSGVHNNHRDGQGQAWIHKNIHHYSPS
YLNKGYPAQANQTVGRGFFTTPGRTASGVLNRELSATFDDHYTQPRLFFN
SLTPVEQQFVINAIRFEASHVTNEQVKKNVLEQLNKISNDVAKRVAVALG
LEAPQPDPTYYHNNVTRGVSIFNESLPTIATLRVGVLSTTKGGSLDKAKA
LKEQLEKDGLKVTVIAEYLASGVDQTYSAADATAFDAVVVAEGAERVFSG
KGAMSPLFPAGRPSQILTDGYRWGKPVAAVGSAKKALQSIGVEEKEAGVY
AGAQDEVIKGVEEGLKVFKFLERFAVD
3D structure
PDB4aj9 X-ray driven reduction of Cpd I of Catalase-3 from N. crassa reveals differential sensitivity of active sites and formation of ferrous state.
ChainA
Resolution1.85 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H102 N175 Q366
Catalytic site (residue number reindexed from 1) H65 N138 Q329
Enzyme Commision number 1.11.1.6: catalase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 HEM A R99 V100 V101 H102 R139 V173 G174 N175 F180 F188 I248 H249 F365 L381 R385 S388 Y389 T392 Q393 R396 R62 V63 V64 H65 R102 V136 G137 N138 F143 F151 I211 H212 F328 L344 R348 S351 Y352 T355 Q356 R359
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:0042744 hydrogen peroxide catabolic process
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4aj9, PDBe:4aj9, PDBj:4aj9
PDBsum4aj9
PubMed30940570
UniProtQ9C169|CAT3_NEUCR Catalase-3 (Gene Name=cat-3)

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