Evidence: mass spectrometry, Native mass spectrometry supports dimeric assembly for this construct, rather than tetrameric or octameric as may be inferred from the structure.
Type
Name
Symmetry operation
Number
identity operation
1_555
x,y,z
1
Buried area
9740 Å2
ΔGint
-17 kcal/mol
Surface area
43210 Å2
Method
PISA
Unit cell
Length a, b, c (Å)
56.810, 157.670, 57.870
Angle α, β, γ (deg.)
90.000, 95.450, 90.000
Int Tables number
4
Space group name H-M
P1211
-
Components
-
Protein , 1 types, 8 molecules ABEFGHCD
#1: Protein
Heatshockproteinbeta-1 / HspB1 / 28 kDa heat shock protein / Estrogen-regulated 24 kDa protein / Heat shock 27 kDa protein / ...HspB1 / 28 kDa heat shock protein / Estrogen-regulated 24 kDa protein / Heat shock 27 kDa protein / HSP 27 / Stress-responsive protein 27 / SRP27
Mass: 9717.790 Da / Num. of mol.: 8 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: HSPB1, HSP27, HSP28 / Production host: Escherichia coli (E. coli) / References: UniProt: P04792
-
Protein/peptide , 3 types, 4 molecules KJLI
#2: Protein/peptide
ALA-LEU-SER-ARG-GLN
Mass: 574.651 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human)
#3: Protein/peptide
LEU-SER-GLY-VAL
Mass: 374.433 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human)
#4: Protein/peptide
ALA-LEU-SER-ARG
Mass: 446.522 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human)