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Protein

Trypanothione reductase

Gene

TPR

Organism
Trypanosoma cruzi
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Trypanothione is the parasite analog of glutathione; this enzyme is the equivalent of glutathione reductase.

Miscellaneous

The active site is a redox-active disulfide bond.

Catalytic activityi

Trypanothione + NADP+ = trypanothione disulfide + NADPH.

Cofactori

FADNote: Binds 1 FAD per subunit.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei461Proton acceptorBy similarity1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi36 – 52FADAdd BLAST17

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionOxidoreductase
LigandFAD, Flavoprotein, NADP

Enzyme and pathway databases

BRENDAi1.8.1.12 6524

Names & Taxonomyi

Protein namesi
Recommended name:
Trypanothione reductase (EC:1.8.1.12)
Short name:
TR
Alternative name(s):
N(1),N(8)-bis(glutathionyl)spermidine reductase
Gene namesi
Name:TPR
OrganismiTrypanosoma cruzi
Taxonomic identifieri5693 [NCBI]
Taxonomic lineageiEukaryotaEuglenozoaKinetoplastidaTrypanosomatidaeTrypanosomaSchizotrypanum

Subcellular locationi

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

Pathology & Biotechi

Chemistry databases

ChEMBLiCHEMBL5131
DrugBankiDB03147 Flavin adenine dinucleotide
DB04299 Maleic Acid
DB02240 N-{(1s)-4-[Bis(2-Chloroethyl)Amino]-1-Methylbutyl}-N-(6-Chloro-2-Methoxy-9-Acridinyl)Amine
DB03470 Trypanothione

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00000679921 – 492Trypanothione reductaseAdd BLAST492

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi53 ↔ 58Redox-active1 Publication

Keywords - PTMi

Disulfide bond

Interactioni

Subunit structurei

Homodimer.

Chemistry databases

BindingDBiP28593

Structurei

Secondary structure

1492
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Beta strandi5 – 11Combined sources7
Helixi15 – 26Combined sources12
Beta strandi32 – 37Combined sources6
Beta strandi39 – 42Combined sources4
Turni43 – 45Combined sources3
Helixi51 – 56Combined sources6
Helixi58 – 76Combined sources19
Helixi77 – 80Combined sources4
Helixi86 – 88Combined sources3
Helixi93 – 117Combined sources25
Beta strandi121 – 132Combined sources12
Beta strandi135 – 143Combined sources9
Beta strandi148 – 155Combined sources8
Beta strandi157 – 159Combined sources3
Beta strandi163 – 165Combined sources3
Helixi173 – 175Combined sources3
Helixi179 – 182Combined sources4
Beta strandi190 – 195Combined sources6
Helixi199 – 211Combined sources13
Beta strandi217 – 228Combined sources12
Helixi233 – 245Combined sources13
Beta strandi249 – 253Combined sources5
Beta strandi256 – 261Combined sources6
Beta strandi267 – 271Combined sources5
Beta strandi276 – 284Combined sources9
Beta strandi288 – 290Combined sources3
Helixi293 – 295Combined sources3
Helixi297 – 299Combined sources3
Beta strandi306 – 309Combined sources4
Beta strandi322 – 324Combined sources3
Helixi326 – 329Combined sources4
Helixi335 – 350Combined sources16
Beta strandi351 – 353Combined sources3
Beta strandi364 – 366Combined sources3
Beta strandi372 – 376Combined sources5
Helixi379 – 385Combined sources7
Beta strandi387 – 396Combined sources10
Helixi399 – 404Combined sources6
Beta strandi411 – 418Combined sources8
Turni419 – 421Combined sources3
Beta strandi423 – 431Combined sources9
Helixi434 – 446Combined sources13
Helixi451 – 455Combined sources5
Helixi465 – 469Combined sources5
Beta strandi475 – 479Combined sources5
Beta strandi482 – 484Combined sources3

3D structure databases

ProteinModelPortaliP28593
SMRiP28593
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP28593

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Redox-active center

Phylogenomic databases

eggNOGiKOG0405 Eukaryota
COG1249 LUCA

Family and domain databases

Gene3Di3.30.390.30, 1 hit
3.50.50.60, 3 hits
InterProiView protein in InterPro
IPR036188 FAD/NAD-bd_sf
IPR023753 FAD/NAD-binding_dom
IPR016156 FAD/NAD-linked_Rdtase_dimer_sf
IPR001100 Pyr_nuc-diS_OxRdtase
IPR004099 Pyr_nucl-diS_OxRdtase_dimer
IPR012999 Pyr_OxRdtase_I_AS
IPR001864 Trypnth_redctse
PfamiView protein in Pfam
PF07992 Pyr_redox_2, 1 hit
PF02852 Pyr_redox_dim, 1 hit
PIRSFiPIRSF000350 Mercury_reductase_MerA, 1 hit
PRINTSiPR00470 TRYPANRDTASE
SUPFAMiSSF51905 SSF51905, 2 hits
SSF55424 SSF55424, 1 hit
TIGRFAMsiTIGR01423 trypano_reduc, 1 hit
PROSITEiView protein in PROSITE
PS00076 PYRIDINE_REDOX_1, 1 hit

Sequencei

Sequence statusi: Complete.

P28593-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MMSKIFDLVV IGAGSGGLEA AWNAATLYKK RVAVIDVQMV HGPPFFSALG
60 70 80 90 100
GTCVNVGCVP KKLMVTGAQY MEHLRESAGF GWEFDRTTLR AEWKKLIAVK
110 120 130 140 150
DEAVLNINKS YEEMFRDTEG LEFFLGWGSL ESKNVVNVRE SADPASAVKE
160 170 180 190 200
RLETENILLA SGSWPHMPNI PGIEHCISSN EAFYLPEPPR RVLTVGGGFI
210 220 230 240 250
SVEFAGIFNA YKPKDGQVTL CYRGEMILRG FDHTLREELT KQLTANGIQI
260 270 280 290 300
LTKENPAKVE LNADGSKSVT FESGKKMDFD LVMMAIGRSP RTKDLQLQNA
310 320 330 340 350
GVMIKNGGVQ VDEYSRTNVS NIYAIGDVTN RVMLTPVAIN EAAALVDTVF
360 370 380 390 400
GTNPRKTDHT RVASAVFSIP PIGTCGLIEE VASKRYEVVA VYLSSFTPLM
410 420 430 440 450
HNISGSKYKT FVAKIITNHS DGTVLGVHLL GDNAPEIIQG VGICLKLNAK
460 470 480 490
ISDFYNTIGV HPTSAEELCS MRTPSYYYVK GEKMEKPSEA SL
Length:492
Mass (Da):53,868
Last modified:December 1, 1992 - v1
Checksum:i4AF179952A20750F
GO

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Natural varianti95K → N in strain: Silvio. 1
Natural varianti140E → A in strain: Silvio. 1
Natural varianti156N → H in strain: Silvio. 1
Natural varianti353N → T in strain: Silvio. 1
Natural varianti402 – 403NI → KV in strain: Silvio. 2
Natural varianti441V → I in strain: Silvio. 1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M38051 Genomic DNA Translation: AAA63547.1
Z13958 Genomic DNA Translation: CAA78360.1
PIRiS68968

Similar proteinsi

Entry informationi

Entry nameiTYTR_TRYCR
AccessioniPrimary (citable) accession number: P28593
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 1, 1992
Last sequence update: December 1, 1992
Last modified: May 23, 2018
This is version 127 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)

Miscellaneousi

Keywords - Technical termi

3D-structure

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

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