Structure of PDB 1ub2 Chain A

Receptor sequence
>1ub2A (length=700) Species: 1140 (Synechococcus elongatus PCC 7942 = FACHB-805) [Search protein sequence]
STAEWWPKALNLDILSQHDRKTNPMGPDFNYQEEVQKLDAALKQDLQALM
TDSQDWWPADWGHYGGLMIRLTWHAAGTYRIADGRGGAGTGNQRFAPLNS
WPDNTNLDKARRLLWPIKQKYGNKLSWADLIAYAGTIAYESMGLKTFGFA
FGREDIWHPEKDIYWGPEKEWFPPSTNPNSRYTGDRELENPLAAVTMGLI
YVNPEGVDGNPDPLKTAHDVRVTFARMAMNDEETVALTAGGHTVGKCHGN
GNAALLGPEPEGADVEDQGLGWINKTQSGIGRNAVTSGLEGAWTPHPTQW
DNGYFAVCSLNYDWELKKNPAGAWQWEPINPREEDLPVDVEDPSIRRNLV
MTDADMAMKMDPEYRKISERFYQDPAYFADVFARAWFKLTHRDMGPKARY
IGPDVPQEDLIWQDPIPAGNRNYDVQAVKDRIAASGLSISELVSTAWDSA
RTYRNSDKRGGANGARIRLAPQKDWEGNEPDRLPKVLAVLEGISAATGAT
VADVIVLAGNVGVEQKARAAGVEIVLPFAPGRGDATAEQTDTESFAVLEP
IHDAIATGSSRTMRQRLKNCCLIATQLLGLTAPEMTVLIGGLRVLGTNHG
GTKHVVFTDREGVLTNDFFVNLTDMNYLWKPAGKNLYEICDRKTNQVKWT
ATRVDLVFGSNSILRAYSELYAQDDNKEKFVRDFVAAWTKVMNADRFDLD
3D structure
PDB1ub2 Crystal structure of catalase-peroxidase from Synechococcus PCC 7942
ChainA
Resolution2.4 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R90 H94 H262 W313 D375
Catalytic site (residue number reindexed from 1) R70 H74 H242 W293 D355
Enzyme Commision number 1.11.1.21: catalase peroxidase.
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 G86 L87 I89 R90 W93 P224 L257 T258 G261 H262 G265 K266 C267 H268 T306 S307 W313 W406 G66 L67 I69 R70 W73 P204 L237 T238 G241 H242 G245 K246 C247 H248 T286 S287 W293 W386
Gene Ontology
Molecular Function
GO:0004096 catalase activity
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:1ub2, PDBe:1ub2, PDBj:1ub2
PDBsum1ub2
PubMed
UniProtQ31MN3|KATG_SYNE7 Catalase-peroxidase (Gene Name=katG)

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