PKA
Encyclopedia
PKA, pKa, or other similar variations may stand for:
- pKa, the symbol for the acid dissociation constantAcid dissociation constantAn acid dissociation constant, Ka, is a quantitative measure of the strength of an acid in solution. It is the equilibrium constant for a chemical reaction known as dissociation in the context of acid-base reactions...
at logarithmic scale - Protein kinase A, a class of cAMP-dependent enzymes
- Pi Kappa AlphaPi Kappa AlphaPi Kappa Alpha is a Greek social fraternity with over 230 chapters and colonies and over 250,000 lifetime initiates in the United States and Canada.-History:...
, the North-American social fraternity - Public key infrastructurePublic key infrastructurePublic Key Infrastructure is a set of hardware, software, people, policies, and procedures needed to create, manage, distribute, use, store, and revoke digital certificates. In cryptography, a PKI is an arrangement that binds public keys with respective user identities by means of a certificate...
or PKA, Public Key Authentication - Professional Karate AssociationProfessional Karate AssociationThe Professional Karate Association was originally a martial arts sanctioning organization, now transformed into a martial arts promotion company....