From: Human protein-coding genes and gene feature statistics in 2019
Exons (E) | Coding exonsa | Introns (I) | |
---|---|---|---|
Number | |||
Total entries | 562,164 | 512,303 | 512,530 |
Total non-redundant entries | 159,652 | 151,285 | 148,092 |
Median per transcript | 9.0 | 8.0 | 8.0 |
Mean per transcript | 11.3 | 10.3 | 10.3 |
SD per transcript | 9.6 | 9.6 | 8.6 |
Min per transcript | 1 (1074 transcripts; 1068 genes) | 1 (3157 transcripts; 2117 genes) | 1 (1960 transcripts; 1572 genes) |
Max per transcript | 363 (TTN, chr2) | 362 (TTN, chr2) | 362 (TTN, chr2) |
Length | |||
Median | 131 bp Not lastb: 124 bp | 120 bp | 1747 bp |
Median non-redundant | 142 bp Not lastb: 130 bp | 121 bp | 1742 bp |
Mean | 311 bp Not lastb: 159 bp | 160 bp | 6938 bp |
Mean non-redundant | 371 bp Not lastb: 177 bp | 171 bp | 7397 bp |
SD | 744 bp Not lastb: 205 bp | 254 bp | 22,163 bp |
SD non-redundant | 828 bp Not lastb: 242 bp | 293 bp | 24,263 bp |
Shortest | 2 bp (GRK6, E16; SEPT7, E2) | 1 bp (e.g., GSTP1, last base of E1) | 26 bp (XBP1, I4) 30 bp (RBP5, I2 and MST1L, I9) |
Longest | 27,303 bp (GRIN2B, E13, last, with 1857 coding bp) | 21,693 bp (MUC16, E3) | 1,160,411 bp (ROBO2, I2) |
Total | 174,797,813 bp | 82,144,360 bp | 3,555,747,074 bp |
Total non-redundant | 59,281,518 bp | 25,840,698 bp | 1,095,434,245 bp |