General Information of the Protein
Protein ID
PT03341
Protein Name
Indoleamine 2,3-dioxygenase 2
Secondarily
Protein Name
Indoleamine 2,3-dioxygenase-like protein 1
Indoleamine-pyrrole 2,3-dioxygenase-like protein 1
Gene Name
IDO2
Secondarily
Gene Name
INDOL1
Sequence
MEPHRPNVKTAVPLSLESYHISEEYGFLLPDSLKELPDHYRPWMEIANKLPQLIDAHQLQAHVDKMPLLSCQFLKGHREQRLAHLVLSFLTMGYVWQEGEAQPAEVLPRNLALPFVEVSRNLGLPPILVHSDLVLTNWTKKDPDGFLEIGNLETIISFPGGESLHGFILVTALVEKEAVPGIKALVQATNAILQPNQEALLQALQRLRLSIQDITKTLGQMHDYVDPDIFYAGIRIFLSGWKDNPAMPAGLMYEGVSQEPLKYSGGSAAQSTVLHAFDEFLGIRHSKESGDFLYRMRDYMPPSHKAFIEDIHSAPSLRDYILSSGQDHLLTAYNQCVQALAELRSYHITMVTKYLITAAAKAKHGKPNHLPGPPQALKDRGTGGTAVMSFLKSVRDKTLESILHPRG
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Organism
Homo sapiens, Human
Protein Classification
Enzyme
>
Oxidoreductase
Function
Catalyzes the first and rate limiting step of the catabolism of the essential amino acid tryptophan along the kynurenine pathway (PubMed:17671174). Involved in immune regulation. May not play a significant role in tryptophan-related tumoral resistance (PubMed:25691885).
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Uniprot ID
Primary ID:
Q6ZQW0

Secondarily ID:
A4UD41
F5H5G0
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HGNC ID
HGNC:27269
Map of Molecular Bioactivity Related to the Protein
Map of Molecular Bioactivity Related to the Protein

Protein
Cell Line
Compound

Bioactivity Value:

<= 0.1 μM
> 0.1 μM and <= 10 μM
> 10 μM
Imprecise Activity
Table of Molecular Bioactivities Related to the Protein
Cell Line ID: CL000102 , U-87MG ATCC
Compound ID Compound Name Compound Formula
CP0115062
8-nitroindolo[2,1-b]quinazoline-6,12-dione
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C15H7N3O4
 2
1
IC50 = 446 nM
   TI
   LI
   LO
   TS
2
IC50 = 450 nM
   TI
   LI
   LO
   TS
CP0210843
8-fluoranylindolo[2,1-b]quinazoline-6,12-dione
   Show/Hide
C15H7FN2O2
 2
1
IC50 = 1200 nM
   TI
   LI
   LO
   TS
2
IC50 = 1230 nM
   TI
   LI
   LO
   TS
CP0075092
8-Bromotryptanthrin
   Show/Hide
C15H7BrN2O2
 2
1
IC50 = 3200 nM
   TI
   LI
   LO
   TS
2
IC50 = 3220 nM
   TI
   LI
   LO
   TS
CP0420665
8-fluoro-2-(piperazin-1-ylmethyl)indolo[2,1-b]quinazoline-6,12-dione
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C20H17FN4O2
 1
1
IC50 = 3580 nM
   TI
   LI
   LO
   TS
CP0492024
2-[(dimethylamino)methyl]-8-fluoroindolo[2,1-b]quinazoline-6,12-dione
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C18H14FN3O2
 1
1
IC50 = 3810 nM
   TI
   LI
   LO
   TS
CP0075091
indolo[2,1-b]quinazoline-6,12-dione
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C15H8N2O2
 2
1
IC50 = 5000 nM
   TI
   LI
   LO
   TS
2
IC50 = 5010 nM
   TI
   LI
   LO
   TS
CP0420666
tert-butyl 4-[(8-fluoro-6,12-dioxoindolo[2,1-b]quinazolin-2-yl)methyl]piperazine-1-carboxylate
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C25H25FN4O4
 1
1
IC50 = 8050 nM
   TI
   LI
   LO
   TS
CP0070605
2,8-difluoroindolo[2,1-b]quinazoline-6,12-dione
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C15H6F2N2O2
 2
1
IC50 = 8190 nM
   TI
   LI
   LO
   TS
2
IC50 = 8200 nM
   TI
   LI
   LO
   TS
CP0447827
8-fluoro-2-(morpholin-4-ylmethyl)indolo[2,1-b]quinazoline-6,12-dione
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C20H16FN3O3
 1
1
IC50 = 16540 nM
   TI
   LI
   LO
   TS
CP0489554
8-fluoro-2-piperazin-1-ylindolo[2,1-b]quinazoline-6,12-dione
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C19H15FN4O2
 1
1
IC50 = 17760 nM
   TI
   LI
   LO
   TS
CP0212292
9-chloroindolo[2,1-b]quinazoline-6,12-dione
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C15H7ClN2O2
 2
1
IC50 = 18370 nM
   TI
   LI
   LO
   TS
2
IC50 = 18400 nM
   TI
   LI
   LO
   TS
CP0159403
8-fluoro-2-[(4-methylpiperazin-1-yl)methyl]indolo[2,1-b]quinazoline-6,12-dione
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C21H19FN4O2
 1
1
IC50 = 18660 nM
   TI
   LI
   LO
   TS
CP0210794
7-chloroindolo[2,1-b]quinazoline-6,12-dione
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C15H7ClN2O2
 2
1
IC50 = 19450 nM
   TI
   LI
   LO
   TS
2
IC50 = 19500 nM
   TI
   LI
   LO
   TS
CP0431573
2-morpholin-4-ylindolo[2,1-b]quinazoline-6,12-dione
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C19H15N3O3
 1
1
IC50 = 20320 nM
   TI
   LI
   LO
   TS
CP0115133
8-methylindolo[2,1-b]quinazoline-6,12-dione
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C16H10N2O2
 2
1
IC50 = 21800 nM
   TI
   LI
   LO
   TS
2
IC50 = 21810 nM
   TI
   LI
   LO
   TS
CP0482370
8-fluoro-2-piperidin-1-ylindolo[2,1-b]quinazoline-6,12-dione
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C20H16FN3O2
 1
1
IC50 = 22220 nM
   TI
   LI
   LO
   TS
CP0431572
2-[(4-methylpiperazin-1-yl)methyl]indolo[2,1-b]quinazoline-6,12-dione
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C21H20N4O2
 1
1
IC50 = 23290 nM
   TI
   LI
   LO
   TS
CP0245009
2-fluoroindolo[2,1-b]quinazoline-6,12-dione
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C15H7FN2O2
 2
1
IC50 = 37780 nM
   TI
   LI
   LO
   TS
2
IC50 = 37800 nM
   TI
   LI
   LO
   TS
CP0482369
2-(4-methylpiperazin-1-yl)indolo[2,1-b]quinazoline-6,12-dione
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C20H18N4O2
 1
1
IC50 = 48670 nM
   TI
   LI
   LO
   TS
CP0071950
(S)-2-amino-3-(1-methyl-1H-indol-3-yl)propanoic acid
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C12H14N2O2
 2
1
IC50 = 56900 nM
   TI
   LI
   LO
   TS
2
IC50 = 82530 nM
   TI
   LI
   LO
   TS
CP0431574
8-fluoro-2-(4-methylpiperazin-1-yl)indolo[2,1-b]quinazoline-6,12-dione
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C20H17FN4O2
 1
1
IC50 = 79000 nM
   TI
   LI
   LO
   TS
CP0438462
2-(dimethylamino)-8-fluoroindolo[2,1-b]quinazoline-6,12-dione
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C17H12FN3O2
 1
1
IC50 = 90900 nM
   TI
   LI
   LO
   TS
Biochemical Assays
Compound ID Compound Name Compound Formula
CP0115062
8-nitroindolo[2,1-b]quinazoline-6,12-dione
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C15H7N3O4
 3
1 IC50 = 1800 nM
2 IC50 = 1870 nM
3 Ki = 970 nM
CP0210843
8-fluoranylindolo[2,1-b]quinazoline-6,12-dione
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C15H7FN2O2
 2
1 IC50 = 7680 nM
2 Ki = 3510 nM
CP0075092
8-Bromotryptanthrin
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C15H7BrN2O2
 2
1 IC50 = 8260 nM
2 Ki = 5620 nM
CP0075091
indolo[2,1-b]quinazoline-6,12-dione
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C15H8N2O2
 2
1 IC50 = 17310 nM
2 Ki = 15180 nM
CP0431574
8-fluoro-2-(4-methylpiperazin-1-yl)indolo[2,1-b]quinazoline-6,12-dione
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C20H17FN4O2
 1
1 IC50 = 18440 nM
CP0070605
2,8-difluoroindolo[2,1-b]quinazoline-6,12-dione
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C15H6F2N2O2
 2
1 IC50 = 21720 nM
2 Ki = 13240 nM
CP0115133
8-methylindolo[2,1-b]quinazoline-6,12-dione
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C16H10N2O2
 2
1 IC50 = 31950 nM
2 Ki = 34630 nM
CP0210794
7-chloroindolo[2,1-b]quinazoline-6,12-dione
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C15H7ClN2O2
 2
1 IC50 = 43390 nM
2 Ki = 24620 nM
CP0245009
2-fluoroindolo[2,1-b]quinazoline-6,12-dione
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C15H7FN2O2
 1
1 IC50 = 56830 nM
CP0071950
(S)-2-amino-3-(1-methyl-1H-indol-3-yl)propanoic acid
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C12H14N2O2
 1
1 IC50 = 56960 nM
CP0212292
9-chloroindolo[2,1-b]quinazoline-6,12-dione
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C15H7ClN2O2
 2
1 IC50 = 67900 nM
2 Ki = 39460 nM
Clinical Information about the Protein
Target 1 ( Indoleamine 2,3-dioxygenase 2 (IDO2) )
Target Type Patented-recorded Target