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Table 1 Percentage with which the various types of amino acids are found in the first coordination sphere of chloride anions, for various coordination numbers (CN)

From: Buried chloride stereochemistry in the Protein Data Bank

Residue CN?=?2 CN?=?3 CN?=?4 CN?=?5 CN?=?6
Ala 3.5 1.5 2.7 2.7 4.2
Arg 17.4 11.9 13.2 10.9 12.5
Asn 2.3 6.5 6.6 5.6 6.2
Asp 4.7 3.4 1.8 5.0 0.0
Cys 0.0 1.0 0.3 1.5 0.0
Gln 4.7 4.8 2.7 3.0 2.8
Glu 4.7 2.7 3.0 2.4 6.2
Gly 4.7 2.7 4.8 6.2 6.2
His 9.3 5.1 3.1 5.0 4.2
Ile 0.0 1.7 1.8 1.5 1.4
Leu 1.2 2.7 1.9 2.4 4.9
Lys 3.5 5.8 3.1 3.0 2.8
Met 0.0 0.5 0.6 0.3 2.1
Phe 0.0 1.7 0.9 0.9 2.8
Pro 0.0 0.2 0.3 1.5 0.7
Ser 9.3 8.2 7.2 9.8 3.5
Thr 4.7 6.3 5.7 3.3 4.9
Trp 2.3 1.2 1.3 0.9 2.8
Tyr 1.2 4.4 3.3 1.5 1.4
Val 3.5 3.6 1.5 1.5 3.5
HOH 23.0 24.1 34.2 31.1 26.9