3D 1H-detected quantitative long-range [13C-1H] correlation experiment ( 93JMRB228-102 ) to be applied on g-methyl carbons. w1-13C-filtered NOESY experiment ( 94BIO5481 ) 3D heteronuclear relayed E.COSY experiment combined with 2D multiplet line-shape analysis ( 95JB95 ) 2D and 3D version of the Constant-time HTQC-COSY experiment ( 00JB13-18 ) to be applied on unprotonated CG carbons as found in Asp, Asn, and aromatic residues.