Capitalization amino acid abbreviations

Three-letter amino acid abbreviations maybe preceded by a configurational designator, d or l, set in small capital letters. 

Always capitalize the three-letter and one-letter abbreviations for amino acids. 

The complete amino acid sequence of hemoglobin is shown. The amino acid residues are indicated in the that these blanks arose by gene mutations). The bottom row of figures provides consecutive numbers for abbreviations of Brand and Edsall (listed in Table IV, Chapt. II-2). The residues are numbered the all possible positions, including the blanks. The capital letters above the chains refer to the tertiary... 

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