Skip to main content
. 2006 May 19;91(5):1591–1603. doi: 10.1529/biophysj.105.078188

TABLE 3.

Protein translational diffusion coefficients (20 C)

Dt(10−7cm2/s)
Protein* s Mass (kDa) Calculated Experimental References D
BPTI (5PTI) 1 6.5 13.66 14.4, 14.6 56,57 −6
Cytochrome C (1HRC) 1 12.4 11.63 11.1–12.1 58–61 0
Ribonuclease A (7RSA) 1 13.7 10.84 10.68 43 2
Lysozyme (2CDS) 1 14.3 10.99 10.6, 11.2 36,37 1
a-Lactalbumin (1HFX) 1 14.4 10.84 10.57, 10.6 62,63 2
Profilin (1PNE) 1 14.8 10.74 10.6 64 1
Myoglobin (1MBO) 1 17.2 10.24 10.4, 10.5 65, 41 −2
Leghemoglobin (1LH1) 1 17.3 10.26 10.0 66 3
b-Lactoglobulin (3BLG) 1 18.4 10.07 9.7 67 4
Soybean trypsin inhibitor (1AVU) 1 21.5 9.88 9.8 68 1
Cellulase (2ENG) 1 22.0 9.63 9.8 69 −2
Somatotropin (1HGU) 1 22.1 8.84 8.88 70 0
b-Trypsin (1TPO) 1 23.3 9.50 9.3 71 2
Trypsinogen (1TGN) 1 24.0 9.49 9.68 48 −2
Chymotrypsinogen A (2CGA) 1 25.7 9.04 9.2 39 −2
Elastase (1QNJ) 1 25.9 9.22 9.5 72 −3
Savinase (1SVN) 1 26.7 9.35
Subtilysin (1SUP) 1 27.3 9.10 9.04 73 1
Carbonic anhydrase B (2CAB) 1 28.7 8.84 8.89 74 −1
Pepsin (4PEP) 1 34.5 8.10 8.01, 8.71 75,76 −3
G-actin (1NWK) 1 42.0 7.55 7.15, 7.88 77,78 0
Taka-amylase A (6TAA) 1 54.0 7.22 7.37 79 −2
Human serum albumin (1AO6) 1 69.0 6.07 5.9–6.32 80–82 −1
Superoxide dismutase (2SOD) 2 32.5 8.10 8.27 83 −2
b-Lactoglobulin (1BEB) 2 36.7 7.74 7.27, 7.34, 7.55 62, 84, 43 5
Concanavalin A (1GKB) 2 51.0 6.72 6.2 85 8
Deoxyhemoglobin (2HHB) 4 64.5 6.72 6.68 86 1
Oxyhemoglobin A (1HHO) 4 64.5 7.02 6.78 86 4
KDPG aldolase (1EUN) 3 69.2 6.22 5.6 66 11
Alkaline phosphatase (1ALK) 2 94.7 5.92 5.7 67 4
Citrate synthase (1CTS) 2 97.9 5.82 5.8 69 0
Concanavalin A (2CTV) 4 102.0 5.75 5.2, 5.6, 5.8 85, 90, 60 4
Glucose oxidase (1GPE) 2 133.7 5.45 5.02, 5.13 91, 92 7
Canavalin (2CAV) 3 141.0 5.32 5.10 90 4
Lactate dehydrogenase (6LDH) 4 145.2 5.08 4.99 30 2
Aldolase (1ADO) 4 156.0 4.66 4.29–4.8 93–96 3
Glycogen phosphorylase B (1GPB) 2 188.8 4.44 4.14 97 7
Nitrogenase MoFe (2MIN) 4 220.0 4.41 4.0 98 10
Catalase (4BLC) 4 230.3 4.49 4.1 99,100 10
Xanthine oxidase (1FIQ) 6 270.0 3.94 3.9 101 0
Glycogen phosphorylase A (1GPA) 4 377.6 3.59 3.3 97 9
*

Source for the atomic coordinates is the Protein Data Bank file in parentheses.

Number of subunits in the protein.

Percent difference between the calculated value and the average of the experimental values.