Multiple choice D-glutamic acid is found in the capsule of Shigella flexneri Bacillus anthracis Treponema pallidum Streptococcus pneumoniae Reveal answer Fill a bubble to check yourself B Correct answer Explanation The capsule of Bacillus anthracis is entirely made up of D-glutamic acid. This amino acid is rare as most of the other capsules contain L form of amino acid.