Streptomyces avermitilis MA-4680 : 7,677 CDS's (2,622,925 codons)
fields: [triplet] [frequency: per thousand] ([number:aa])
UUU 0.7( 1841:F) UCU 0.9( 2290:S) UAU 2.0( 5178:Y) UGU 1.1( 2972:C)
UUC 26.5( 69499:F) UCC 19.3( 50604:S) UAC 19.1( 50196:Y) UGC 6.9( 18186:C)
UUA 0.1( 300:L) UCA 1.5( 3809:S) UAA 0.2( 446:*) UGA 2.2( 5701:*)
UUG 3.4( 8971:L) UCG 16.0( 41934:S) UAG 0.6( 1530:*) UGG 15.4( 40334:W)
CUU 2.3( 6042:L) CCU 2.1( 5413:P) CAU 3.1( 8262:H) CGU 7.4( 19305:R)
CUC 39.0(102378:L) CCC 24.1( 63239:P) CAC 20.3( 53230:H) CGC 36.2( 94965:R)
CUA 0.5( 1204:L) CCA 1.7( 4466:P) CAA 1.8( 4789:Q) CGA 3.0( 7809:R)
CUG 56.6(148565:L) CCG 32.9( 86333:P) CAG 26.6( 69815:Q) CGG 28.5( 74869:R)
AUU 1.0( 2555:I) ACU 1.5( 4027:T) AAU 1.2( 3061:N) AGU 1.9( 4902:S)
AUC 29.5( 77279:I) ACC 35.5( 93061:T) AAC 16.9( 44278:N) AGC 13.0( 34131:S)
AUA 0.8( 2196:I) ACA 2.3( 5998:T) AAA 1.4( 3603:K) AGA 0.9( 2237:R)
AUG 16.0( 41858:M) ACG 22.9( 60034:T) AAG 21.6( 56609:K) AGG 3.8( 9996:R)
GUU 1.9( 5007:V) GCU 4.0( 10621:A) GAU 4.9( 12735:D) GGU 10.4( 27164:G)
GUC 44.4(116454:V) GCC 69.8(183209:A) GAC 54.3(142550:D) GGC 58.0(152141:G)
GUA 3.7( 9650:V) GCA 6.2( 16388:A) GAA 9.8( 25587:E) GGA 7.8( 20338:G)
GUG 34.3( 89916:V) GCG 53.9(141303:A) GAG 46.1(121044:E) GGG 18.5( 48518:G)
Coding GC 71.12%
1st letter GC 71.42%
2nd letter GC 50.95%
3rd letter GC 91.01%
Calculation for of your sequence.