Structure of PDB 2qrb Chain A

Receptor sequence
>2qrbA (length=595) Species: 9913 (Bos taurus) [Search protein sequence]
SWEVGCGAPVPLVKCDENSPYRTITGDCNNRRSPALGAANRALARWLPAE
YEDGLALPFGWTQRKTRNGFRVPLAREVSNKIVGYLDEEGVLDQNRSLLF
MQWGQIVDHDLDFAPETELGSNEHSKTQCEEYCIQGDNCFPIMFPKNDPK
LKTQGKCMPFFRAGFVCPTPPYQSLAREQINAVTSFLDASLVYGSEPSLA
SRLRNLSSPLGLMAVNQEAWDHGLAYLPFNNKKPSPCEFINTTARVPCFL
AGDFRASEQILLATAHTLLLREHNRLARELKKLNPHWNGEKLYQEARKIL
GAFIQIITFRDYLPIVLGSEMQKWIPPYQGYNNSVDPRISNVFTFAFRFG
HMEVPSTVSRLDENYQPWGPEAELPLHTLFFNTWRIIKDGGIDPLVRGLL
AKKSKLMNQDKMVTSELRNKLFQPTHKIHGFDLAAINLQRCRDHGMPGYN
SWRGFCGLSQPKTLKGLQTVLKNKILAKKLMDLYKTPDNIDIWIGGNAEP
MVERGRVGPLLACLLGRQFQQIRDGDRFWWENPGVFTEKQRDSLQKVSFS
RLICDNTHITKVPLHAFQANNYPHDFVDCSTVDKLDLSPWASREN
3D structure
PDB2qrb Crystal structure of chloride saturated bovine lactoperoxidase at 2.5 A resolution shows multiple halide binding sites
ChainA
Resolution2.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Q105 D108 H109 D110 T184 F186 D188 S190 R255 E258 H351
Catalytic site (residue number reindexed from 1) Q105 D108 H109 D110 T184 F186 D188 S190 R255 E258 H351
Enzyme Commision number 1.11.1.7: 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 CA A D110 T184 F186 D188 S190 D110 T184 F186 D188 S190
BS02 HEM A M101 G104 Q105 D108 D112 F113 A114 E258 Q259 T344 F347 R348 G350 H351 V354 I436 R440 M101 G104 Q105 D108 D112 F113 A114 E258 Q259 T344 F347 R348 G350 H351 V354 I436 R440
Gene Ontology
Molecular Function
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:2qrb, PDBe:2qrb, PDBj:2qrb
PDBsum2qrb
PubMed
UniProtP80025|PERL_BOVIN Lactoperoxidase (Gene Name=LPO)

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