Structure of PDB 2wba Chain B

Receptor sequence

>2wbaB (length=489) Species: 5702 (Trypanosoma brucei brucei) [Search protein sequence]

SKAFDLVVIGAGSGGLEAGWNAATLYGKRVAVVDVQTSHGPPFYAALGGT
CVNVGCVPKKLMVTGAQYMDHLRESAGFGWEFDGSSVKANWKKLIAAKNE
AVLDINKSYEGMFNDTEGLDFFLGWGSLESKNVVVVRETADPKSAVKERL
QADHILLATGSWPQMPAIPGIEHCISSNEAFYLPEPPRRVLTVGGGFISV
EFAGIFNAYKPPGGKVTLCYRNNLILRGFDETIREEVTKQLTANGIEIMT
NENPAKVSLNTDGSKHVTFESGKTLDVDVVMMAIGRIPRTNDLQLGNVGV
KLTPKGGVQVDEFSRTNVPNIYAIGDITDRLMLTPVAINEGAALVDTVFG
NKPRKTDHTRVASAVFSIPPIGTCGLIEEVAAKEFEKVAVYMSSFTPLMH
NISGSKYKKFVAKIVTNHSDGTVLGVHLLGDGAPEIIQAVGVCLRLNAKI
SDFYNTIGVHPTSAEELCSMRTPSYYYVKGEKMEKLPDS

3D structure

PDB

2wba Comparative Structural, Kinetic and Inhibitor Studies of Trypanosoma Brucei Trypanothione Reductase with T. Cruzi.

Chain

Resolution

2.3 Å

3D
structure

Catalytic site residues are labeled in the structure
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Enzymatic activity

Catalytic site (original residue number in PDB)	S14 L48 C52 C57 K60 G85 S86 F198 E202 I339 G459 H461 E466 E485 K486
Catalytic site (residue number reindexed from 1)	S13 L47 C51 C56 K59 G84 S85 F197 E201 I338 G458 H460 E465 E484 K485
Enzyme Commision number	1.8.1.12: trypanothione-disulfide reductase.

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	FAD	B	I10 G11 G13 S14 G15 V34 D35 V36 A46 A47 G50 T51 C52 G56 C57 K60 W126 G127 T160 G161 R287 R290 G326 D327 M333 L334 T335	I9 G10 G12 S13 G14 V33 D34 V35 A45 A46 G49 T50 C51 G55 C56 K59 W125 G126 T159 G160 R286 R289 G325 D326 M332 L333 T334
BS02	NDP	B	G196 G197 Y221 R222 R228 I285	G195 G196 Y220 R221 R227 I284

Gene Ontology

	Molecular Function
GO:0004362	glutathione-disulfide reductase (NADPH) activity
GO:0015036	disulfide oxidoreductase activity
GO:0015042	trypanothione-disulfide reductase (NADPH) activity
GO:0016491	oxidoreductase activity
GO:0016668	oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor
GO:0050660	flavin adenine dinucleotide binding

	Biological Process
GO:0006749	glutathione metabolic process
GO:0034599	cellular response to oxidative stress
GO:0045454	cell redox homeostasis
GO:0098869	cellular oxidant detoxification

	Cellular Component
GO:0005737	cytoplasm
GO:0005739	mitochondrion
GO:0005829	cytosol

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Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:2wba, PDBe:2wba, PDBj:2wba
PDBsum	2wba
PubMed	19747949
UniProt	P39051\|TYTR_TRYBB Trypanothione reductase (Gene Name=TPR)

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