3.4.22.25	30148	Kinetic constants for the hydrolysis of aggrecan by the papaya proteinases and their relevance for chemonucleolysis	Arch. Biochem. Biophys.	320	375-379	1995	Carica papaya	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=7625846&form=6&db=m	
3.4.22.25	667431	Structural characterization of the papaya cysteine proteinases at low pH	Biochem. Biophys. Res. Commun.	341	620-626	2006	Carica papaya	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=16434027&form=6&db=m	
3.4.22.25	30149	Affinity purification of the novel cysteine proteinase papaya proteinase IV, and papain from papaya latex	Biochem. J.	261	469-476	1989	Carica papaya	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=2505761&form=6&db=m	
3.4.22.25	30153	Structure of chymopapain M the late-eluted chymopapain deduced by comparative modelling techniques and active-centre characteristics determined by pH-dependent kinetics of catalysis and reactions with time-dependent inhibitors: the Cys-25/His-159 ion-pair is insufficient for catalytic competence in both chymopapain M and papain	Biochem. J.	300	805-820	1994	Carica papaya	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=8010964&form=6&db=m	
3.4.22.25	30151	The structural origins of the unusual specificities observed in the isolation of chymopapain M and actinidin by covalent chromatography and the lack of inhibition of chymopapain M by cystatin	Biochem. J.	306	39-46	1995	Carica papaya	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=7864827&form=6&db=m	
3.4.22.25	30155	Expression of the pro-regions of papain and papaya proteinase IV in Escherichia coli and their inhibition of mature cysteine proteinases	Biochem. Soc. Trans.	23	80S	1995	Carica papaya	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=7758800&form=6&db=m	
3.4.22.25	30152	Three-dimensional structure and thiol reactivity characteristics of chymopapain M (papaya proteinase IV)	Biochem. Soc. Trans.	18	934-935	1990	Carica papaya	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=2083746&form=6&db=m	
3.4.22.25	30150	Crystal structure of glycyl endopeptidase from Carica papaya: a cysteine endopeptidase of unusual substrate specificity	Biochemistry	34	13190-13195	1995	Carica papaya	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=7548082&form=6&db=m	
3.4.22.25	30142	Isolation of highly active papaya peptidases A and B from commercial chymopapain	Biochim. Biophys. Acta	658	262-269	1981	Carica papaya	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=7018581&form=6&db=m	
3.4.22.25	753097	 Papain-like cysteine proteases in Carica papaya	 lineage-specific gene duplication and expansion	BMC Genomics	 19	 26 	2018	Carica papaya	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=29306330&form=6&db=m