The Protein Journal (Journal of Protein Chemistry)
| Impact factor | SJR | SNIP | |
| 2016 | 1.139 | 0.486 | 0.620 |
| 2015 | 1.029 | 0.392 | 0.420 |
| 2014 | 0.912 | 0.393 | 0.480 |
| 2013 | 1.039 | 0.470 | 0.620 |
| 2012 | 1.126 | 0.525 | 0.690 |
| 2011 | 1.038 | 0.400 | 0.520 |
| 2010 | 1.101 | 0.391 | 0.550 |
| 2009 | 1.017 | 0.402 | 0.580 |
| 2008 | 0.940 | 0.452 | 0.450 |