Two Interacting Binding Sites for Quinacrine Derivatives in the Active Site of Trypanothione Reductase: A Template for Drug Design

141415 Biological Macromolecular Structures Enabling Breakthroughs in Research and Education

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species
A4-169,A287-357	d1gxfa1	Alpha and beta proteins (a/b)	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	FAD/NAD-linked reductases, N-terminal and central domains	Trypanothione reductase	Trypanosoma cruzi [TaxId: 5693]
A170-286	d1gxfa2	Alpha and beta proteins (a/b)	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	FAD/NAD-linked reductases, N-terminal and central domains	Trypanothione reductase	Trypanosoma cruzi [TaxId: 5693]
A358-488	d1gxfa3	Alpha and beta proteins (a+b)	CO dehydrogenase flavoprotein C-domain-like	FAD/NAD-linked reductases, dimerisation (C- terminal) domain	FAD/NAD-linked reductases, dimerisation (C- terminal) domain	Trypanothione reductase	Trypanosoma cruzi [TaxId: 5693]
B5-169,B287-357	d1gxfb1	Alpha and beta proteins (a/b)	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	FAD/NAD-linked reductases, N-terminal and central domains	Trypanothione reductase	Trypanosoma cruzi [TaxId: 5693]
B170-286	d1gxfb2	Alpha and beta proteins (a/b)	FAD/NAD(P)-binding domain	FAD/NAD(P)-binding domain	FAD/NAD-linked reductases, N-terminal and central domains	Trypanothione reductase	Trypanosoma cruzi [TaxId: 5693]
B358-488	d1gxfb3	Alpha and beta proteins (a+b)	CO dehydrogenase flavoprotein C-domain-like	FAD/NAD-linked reductases, dimerisation (C- terminal) domain	FAD/NAD-linked reductases, dimerisation (C- terminal) domain	Trypanothione reductase	Trypanosoma cruzi [TaxId: 5693]

Chains	Domain	Class	Architecture	Topology
A1	1gxfA01	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain
A2	1gxfA02	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain
A3	1gxfA03	Alpha Beta	2-Layer Sandwich	Enolase-like; domain 1
B1	1gxfB01	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain
B2	1gxfB02	Alpha Beta	3-Layer(bba) Sandwich	FAD/NAD(P)-binding domain
B3	1gxfB03	Alpha Beta	2-Layer Sandwich	Enolase-like; domain 1

Chains	Pfam Accession	Pfam Identifier	Pfam Description	Type	Source

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A,B	TRYPANOTHIONE REDUCTASE (OXIDIZED FORM) (1GXF:A,B)	Electron Transfer Activity Disulfide Oxidoreductase Activity Trypanothione Disulfide Reductase Activity Oxidoreductase Activity Oxidoreductase Activity Acting On a Sulfur Group of Donors Nad(p) As Acceptor Flavin Adenine Dinucleotide Binding	Electron Transport Chain Cell Redox Homeostasis Oxidation Reduction Process	Cytoplasm

Type	PDB Residue Nr.	Description