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1CC2

CHOLESTEROL OXIDASE FROM STREPTOMYCES HIS447GLN MUTANT

Functional Information from GO Data
ChainGOidnamespacecontents
A0004769molecular_functionsteroid delta-isomerase activity
A0005576cellular_componentextracellular region
A0006707biological_processcholesterol catabolic process
A0008203biological_processcholesterol metabolic process
A0016491molecular_functionoxidoreductase activity
A0016614molecular_functionoxidoreductase activity, acting on CH-OH group of donors
A0016853molecular_functionisomerase activity
A0016995molecular_functioncholesterol oxidase activity
A0050660molecular_functionflavin adenine dinucleotide binding
Functional Information from PDB Data
site_idAC1
Number of Residues38
DetailsBINDING SITE FOR RESIDUE FAD A 510
ChainResidue
AGLU40
AMET41
ATYR107
AARG110
AGLY111
AGLY114
AGLY115
AASN119
AGLY120
AGLY121
AMET122
AILE218
AHIS248
AGLN249
AVAL250
AGLY288
AALA289
AGLY290
ATYR446
AASP474
AGLY475
AASN485
APRO486
APHE487
AHOH541
AHOH553
AHOH568
AHOH575
AHOH608
AHOH625
AHOH639
AHOH696
AHOH710
AGLY17
AGLY19
ATYR20
AGLY21
ALEU39

site_idCAT
Number of Residues4
DetailsHISTIDINE 447 IS PRESUMED TO BE THE ACTIVE SITE BASE IN THE OXIDASE REACTION. THE BASE CATALYZED MECHANISM IS MEDIATED THROUGH A WATER MOLECULE AT POSITION 541. THIS RESIDUE HAS BEEN MUTATED TO A GLUTAMINE. GLU 361 IS THE BASE IN THE ISOMERIZATION REACTION. ASN 485 IS BELIEVED TO BE INVOLVED IN POSITIONING THE WATER MOLECULE.
ChainResidue
AGLN447
AGLU361
AASN485
AHOH541

Functional Information from PROSITE/UniProt
site_idPS00623
Number of Residues24
DetailsGMC_OXRED_1 GMC oxidoreductases signature 1. GRgVGGGSlVNggmAvePkrsyfE
ChainResidueDetails
AGLY109-GLU132

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: Proton acceptor => ECO:0000305|PubMed:10194345
ChainResidueDetails
AGLU361
AGLN447

site_idSWS_FT_FI2
Number of Residues7
DetailsBINDING: BINDING => ECO:0007744|PDB:1B4V
ChainResidueDetails
ATYR20
AGLU40
AGLY115
AASN119
AVAL250
AGLY475
APHE487

site_idSWS_FT_FI3
Number of Residues1
DetailsBINDING: BINDING => ECO:0007744|PDB:1IJH
ChainResidueDetails
ATYR446

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1coy
ChainResidueDetails
AASN485
AGLU361
AGLN447

223166

PDB entries from 2024-07-31

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