What is "dda"

DDA may refer to:

• Dda (DNA-dependent ATPase), a DNA helicase
• Delhi Development Authority, the planning agency for Delhi, India
• Demand deposit account, a bank account with funds available on demand
• Digital differential analyzer, a digital implementation of a differential analyzer
• Digital differential analyzer (graphics algorithm), a method of drawing lines on a computer screen
• Disability Discrimination Act 1992, Australian legislation
• Disability Discrimination Act 1995, UK legislation
• Discontinuous Deformation Analysis, an analysis procedure used in physics and engineering
• Discrete dipole approximation, method for computing scattering of radiation by particles of arbitrary shape
• Division on Dynamical Astronomy, a branch of the American Astronomical Society
• Doha Development Agenda of the World Trade Organization
• Dual Dynamic Acceleration, an Intel technology for increasing single-threaded performance on multi-core processors
• Dutch Dakota Association, a Dutch organisation dedicated to preserving and operating classic aircraft
• Dynamic difficulty adjustment or dynamic game difficulty balancing, a method of automatically adjusting video game difficulty based on player ability
• Deputy District Attorney
• Deception Detection Accuracy, the study of Emotional Intelligence and the accuracy of deception detection

Dda (short for DNA-dependent ATPase; also known as Dda helicase and Dda DNA helicase) is the 439- amino acid 49,897- atomic mass unit protein coded by the Dda gene of the bacteriophage T4 phage, a virus that infects enterobacteria.