8X71: Peroxiredoxin I

Crystal structure of Peroxiredoxin I in complex with compound 19-064. Determined by X-ray diffraction at 1.58 Å resolution. Released 19 Jun 2024.

Method: X-ray diffraction
Resolution: 1.58 Å
Organism: Homo sapiens
Chains: 2
Atoms: 3,208
Mol. weight: 39.83 kDa
Ligands: YCC
Released: 19 Jun 2024

Explore 8X71 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8X71 contains 16 α-helices and 22 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 8 helices, 11 β-strands

Element	Residues	Length	Sheet
β-strand	11	1	1
α-helix	12-14	3
β-strand	16-20	5	2
β-strand	26-30	5	2
α-helix	31-34	4
β-strand	38-43	6	2
α-helix	52-61	10
α-helix	63-67	5
β-strand	71-77	7	2
α-helix	81-89	9
α-helix	92-94	3
β-strand	104-106	3	2
α-helix	111-115	5
β-strand	119-120	2	3
β-strand	125-126	2	3
β-strand	128-133	6	2
β-strand	138	1	1
β-strand	139-145	7	2
α-helix	153-170	18

Chain B: 8 helices, 11 β-strands

Element	Residues	Length	Sheet
β-strand	11	1	4
α-helix	12-14	3
β-strand	16-20	5	2
β-strand	26-30	5	2
α-helix	31-34	4
β-strand	38-43	6	2
α-helix	52-61	10
α-helix	63-68	6
β-strand	71-77	7	2
α-helix	81-89	9
α-helix	92-94	3
β-strand	104-106	3	2
α-helix	111-115	5
β-strand	119-120	2	5
β-strand	125-126	2	5
β-strand	128-133	6	2
β-strand	138	1	4
β-strand	139-145	7	2
α-helix	153-168	16

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Peroxiredoxin-1	A, B	protein	175	Homo sapiens	Q06830 (AlphaFold model)

Sequence of entity 1 (A, B), FASTA

>8X71_1 Peroxiredoxin-1 (chains A, B)
MSSGNAKIGHPAPNFKATAVMPDGQFKDISLSDYKGKYVVFFFYPLDFTFVSPTEIIAFS
DRAEEFKKLNCQVIGASVDSHFSHLAWVNTPKKQGGLGPMNIPLVSDPKRTIAQDYGVLK
ADEGISFRGLFIIDDKGILRQITVNDLPVGRSVDETLRLVQAFQFTDKHGEVCPA

Ligands and cofactors

ID	Name	Formula	Copies
YCC	methyl 3-[[(2~{R},4~{a}~{S},6~{a}~{R},6~{a}~{S},14~{a}~{S},14~{b}~{R})-2,4~{a},…	C34 H46 N2 O6	2

Primary citation

Discovery of Urea Derivatives of Celastrol as Selective Peroxiredoxin 1 Inhibitors against Colorectal Cancer Cells. Li, Y., Zhu, Y., Shang, F.F. et al. J Med Chem (2024) 67:7176-7196. DOI 10.1021/acs.jmedchem.4c00023

Other PDB entries of the same protein (UniProt Q06830 (AlphaFold model), which also has an AlphaFold model), best resolution first:

8Z54 1.45 Å, Crystal structure of human SIRT5 in complex with succinylated Prx1 fragment
9VQ5 1.5 Å, Crystal structure of Peroxiredoxin I in complex with SAC
8X73 1.61 Å, Crystal structure of Peroxiredoxin I in complex with compound 19-069
9LNH 1.63 Å, Crystal structure of Peroxiredoxin I in complex with compound LC-PDin20
9B7A 1.71 Å, Crystal structure of peroxiredoxin 1 with RA
7WET 1.76 Å, Crystal structure of Peroxiredoxin I in complex with the inhibitor Cela
9VGT 1.79 Å, Crystal structure of Peroxiredoxin I in complex with compound 19-150
9VE2 1.8 Å, Crystal Structure of Human Peroxiredoxin I in Complex with Fluvastatin
8Z56 1.81 Å, Crystal structure of human Q140L-SIRT5 in complex with succinylated Prx1 fragment
7WEU 1.81 Å, Crystal structure of Peroxiredoxin I in complex with compound 19-048
9LG0 1.81 Å, Crystal Structure of Human Peroxiredoxin I in Complex with SAB
8Z55 1.83 Å, Crystal structure of human SIRT5 in complex with succPrx1 and ADP ribose

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