Molecular Weight vs. Method
in the Protein Data Bank
April 2007 by Eric Martz for Protein Explorer.
Method Contributor Median Molecular Weight 90% < MW 1
X-Ray
85% of PDB
Not Structural Genomics
1972-present
44,500 (~401 amino acids) 145,000
Structural Genomics
97% 2002-present
47,000 (~423 amino acids) 130,000
NMR
15% of PDB
Not Structural Genomics
1989-present
8,600 (~77 amino acids) 19,000
Structural Genomics
99% 2002-present
11,250 (~101 amino acids) 16,000
1. 90% of entries have a molecular weight less than shown.

 
Protein Molecular Weight Amino Acids
Insulin 5,800 51
Lysozyme 15,000 130
Green Fluorescent Protein 27,000 236
Serum Albumin 66,600 536
Taq DNA Polymerase 94,000 832
Antibody 150,000 1,350 (4 chains)
Chaperonin GROEL/S 875,000 ~7,900 (21 chains)


See also: