Date Database Release #Entries #Residues -------- ------------- ------------------------ ------------- ---------------- 25/10/23 nr-nt 25-10-21 (Oct 25) 276,915,257 4,323,255,597,579 25/10/24 nr-aa 25-10-23 (Oct 25) 508,676,142 211,053,694,104 25/08/26 genbank 268.0 (Aug 25) 258,320,620 3,839,594,776,717 25/10/27 genbank-upd 268.0+/10-28 (Oct 25) 1,287,469 549,581,106,517 25/11/19 refseq 25-11-20 (Nov 25) 574,305,878 390,417,860,944 25/11/19 refnuc 25-11-20 (Nov 25) 137,828,145 220,270,166,053 25/11/19 refpep 25-11-20 (Nov 25) 436,477,733 170,147,694,891 20/04/06 embl 143 (Mar 20) 218,240,662 447,389,625,803 22/07/05 embl-upd 143+/07-05 (Jul 22) 2,054,338 298,451,901,874 20/03/05 dbest 20-03-05 (Mar 20) 77,684,010 43,247,073,286 20/03/05 dbgss 20-03-05 (Mar 20) 40,638,741 26,313,188,574 20/03/05 dbsts 20-03-05 (Mar 20) 1,304,184 620,193,386 25/10/24 htgs 25-10-24 (Oct 25) 176,688 27,727,065,463 25/10/30 uniprot 2025_04 (Oct 25) 199,579,901 74,262,109,307 25/10/27 swissprot 2025_04 (Oct 25) 573,661 207,922,125 25/10/30 trembl 2025_04 (Oct 25) 199,006,240 74,054,187,182 25/10/20 uniref 2025_04 (Oct 25) 639,028,457 236,406,262,737 25/10/20 uniref50 2025_04 (Oct 25) 58,875,981 16,875,738,790 25/10/20 uniref90 2025_04 (Oct 25) 184,146,434 64,621,732,275 25/10/21 uniref100 2025_04 (Oct 25) 396,006,042 154,908,791,672 25/08/28 genpept 268.0 (Aug 25) 349,866,226 152,691,580,170 25/10/24 genpept-upd 268.0+/10-24 (Oct 25) 10,502,989 3,608,356,887 25/11/01 pdb 25-11-01 (Nov 25) 232,479 214,775,655 25/11/01 pdbstr 25-11-01 (Nov 25) 719,484 213,519,131 15/07/17 epd 124 (Jul 15) 4,806 2,883,540 24/10/29 silva 138.2 (Oct 24) 737,813 1,400,525,557 16/11/02 rdp-ii 11.5 (Sep 16) 3,482,333 3,583,425,840 25/09/18 pr2 5.1.0 (Apr 25) 240,200 328,941,489 22/06/06 prosite 2022_02 (May 22) 2,652 22/06/06 prosdoc 2022_02 (May 22) 1,906 25/10/17 pfam 38.0 (Oct 25) 25,545 24/05/08 ncbi-cdd 3.21 (May 24) 62,455 14,100,069 21/06/23 expression 21-06-23 (Jun 21) 744 25/11/20 pathway 116.0+/11-20 (Nov 25) 582 25/11/20 module 116.0+/11-20 (Nov 25) 678,466 25/11/20 network 116.0+/11-20 (Nov 25) 1,683 25/11/20 variant 116.0+/11-20 (Nov 25) 1,733 25/11/20 disease 116.0+/11-20 (Nov 25) 3,002 25/11/20 brite 116.0+/11-20 (Nov 25) 443,948 25/11/20 orthology 116.0+/11-20 (Nov 25) 27,931 25/11/20 genes 116.0+/11-20 (Nov 25) 64,050,921 98,375,302,669 25/11/20 genome 116.0+/11-20 (Nov 25) 26,085 24/04/10 mgenes 110.0+/04-10 (Apr 24) 250,447,218 116,707,771,176 24/04/10 mgenome 110.0+/04-10 (Apr 24) 1,189 25/11/20 ligand 116.0+/11-20 (Nov 25) 54,599 25/11/20 compound 116.0+/11-20 (Nov 25) 19,541 25/11/20 dgroup 116.0+/11-20 (Nov 25) 2,529 25/11/20 drug 116.0+/11-20 (Nov 25) 12,727 25/11/20 glycan 116.0+/11-20 (Nov 25) 11,240 25/11/20 reaction 116.0+/11-20 (Nov 25) 12,335 25/11/20 rclass 116.0+/11-20 (Nov 25) 3,209 25/11/20 enzyme 116.0+/11-20 (Nov 25) 8,274 18/04/18 refgene 86.0+/04-18 (Apr 18) 166,884,068 102,362,544,059 25/11/19 linkdb 25-11-19 (Nov 25) 5,904,367,429 07/03/31 pmd Mar-07 (Mar 07) 45,239 17/02/13 aaindex 9.2 (Feb 17) 707