TY  - RPRT
TI  - Four-fold structural repeat in the acid proteases.
AU  - T L Blundell
AU  - B T Sewell
AU  - A D McLachlan
PY  - 1979
DO  - 10.1016/0005-2795(79)90194-6
UR  - https://pubmed.ncbi.nlm.nih.gov/44681/
ID  - 44681
ER  -