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Solution structure of the chromodomain of Chp1 in complex with H3K9me3 peptide
Authors
Shimojo, H., Nishimura, Y.
Assembly
the chromodomain of Chp1 in complex with H3K9me3 peptide
Entity
1. Chp1 chromodomain (polymer, Thiol state: all free), 75 monomers, 8897.809 Da Detail

MVSVKPLPDI DSNEGETDAD VYEVEDILAD RVNKNGINEY YIKWAGYDWY DNTWEPEQNL FGAEKVLKKW KKRKK


2. Histone H3K9me3 (polymer, Thiol state: all free), 18 monomers, 2020.319 Da Detail

ARTKQTARXS TGGKAPRY


Total weight
10918.128 Da
Max. entity weight
8897.809 Da
Source organism
Schizosaccharomyces pombe
Exptl. method
solution NMR
Refine. method
torsion angle dynamics, simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete1
Sequence coverage: 81.7 %, Completeness: 80.4 %, Completeness (bb): 81.1 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All80.4 % (894 of 1112)79.5 % (466 of 586)81.2 % (346 of 426)82.0 % (82 of 100)
Backbone81.1 % (441 of 544)80.1 % (149 of 186)81.5 % (220 of 270)81.8 % (72 of 88)
Sidechain80.3 % (525 of 654)79.3 % (317 of 400)81.8 % (198 of 242)83.3 % (10 of 12)
Aromatic90.6 % (96 of 106)90.6 % (48 of 53)89.8 % (44 of 49)100.0 % (4 of 4)
Methyl85.0 % (68 of 80)85.0 % (34 of 40)85.0 % (34 of 40)

1. Chp1 chromodomain

MVSVKPLPDI DSNEGETDAD VYEVEDILAD RVNKNGINEY YIKWAGYDWY DNTWEPEQNL FGAEKVLKKW KKRKK

2. Histone H3K9me3

ARTKQTARXS TGGKAPRY

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 6.8


#NameIsotope labelingTypeConcentration
1Chp1_chromodomain[U-99% 13C; U-99% 15N]protein0.3 ~ 0.5 mM
2Histone_H3K9me3natural abundanceprotein0.3 ~ 0.5 mM
3potassium phosphatenatural abundance20 mM
4sodium chloridenatural abundance10 mM
5H2Osolvent90 %
6D2Osolvent10 %

Chem. Shift Complete2
Sequence coverage: 24.7 %, Completeness: 47.2 %, Completeness (bb): 47.0 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All47.2 % (1049 of 2224)49.0 % (574 of 1172)44.8 % (382 of 852)46.5 % (93 of 200)
Backbone47.0 % (511 of 1088)49.5 % (184 of 372)45.4 % (245 of 540)46.6 % (82 of 176)
Sidechain47.3 % (619 of 1308)48.8 % (390 of 800)45.0 % (218 of 484)45.8 % (11 of 24)
Aromatic52.8 % (112 of 212)54.7 % (58 of 106)50.0 % (49 of 98)62.5 % (5 of 8)
Methyl50.6 % (81 of 160)55.0 % (44 of 80)46.3 % (37 of 80)

1. Chp1 chromodomain

MVSVKPLPDI DSNEGETDAD VYEVEDILAD RVNKNGINEY YIKWAGYDWY DNTWEPEQNL FGAEKVLKKW KKRKK

2. Histone H3K9me3

ARTKQTARXS TGGKAPRY

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 6.8


#NameIsotope labelingTypeConcentration
1Chp1_chromodomain[U-99% 13C; U-99% 15N]protein0.3 ~ 0.5 mM
2Histone_H3K9me3natural abundanceprotein0.3 ~ 0.5 mM
3potassium phosphatenatural abundance20 mM
4sodium chloridenatural abundance10 mM
5H2Osolvent90 %
6D2Osolvent10 %

Protein Blocks Logo
Calculated from 20 models in PDB: 2RSN, Strand ID: A, B Detail


Release date
2012-08-26
Citation
Intrinsic nucleic acid-binding activity of Chp1 chromodomain is required for heterochromatic gene silencing
Ishida, M., Shimojo, H., Hayashi, A., Kawaguchi, R., Ohtani, Y., Uegaki, K., Nishimura, Y., Nakayama, J.
Mol. Cell (2012), 47, 228-241, PubMed 22727667 , DOI 10.1016/j.molcel.2012.05.017 ,
Related entities 1. Chp1 chromodomain, : 1 : 2 : 1 : 16 entities Detail
Related entities 2. Histone H3K9me3, : 107 : 35 entities Detail
Interaction partners 1. Chp1 chromodomain, : 6 interactors Detail
Interaction partners 2. Histone H3K9me3, : 1 interactors Detail
Experiments performed 18 experiments Detail
nullKeywords chromodomain, Chromosomal protein, Methylation, protein-peptide complex, RNA-mediated gene silencing