PDB systems (6,282) 0 1,000 2,000 3,000 4,000 Count VH domain-Antigen: 2,783 (44.3%) 2,783 (44.3%) VH domain-Antigen Loop-mediated Dimer: 2,776 (44.2%) 2,776 (44.2%) Loop-mediated Dim… VHH-Antigen: 723 (11.5%) 723 (11.5%) VHH-Antigen PDB system
Deposited year (6,282) 0 200 400 600 Count of entries 1976: 1 1981: 1 1982: 5 1984: 1 1985: 1 1986: 2 1987: 1 1988: 4 1989: 2 1990: 2 1991: 10 1992: 16 1993: 10 1994: 23 1995: 27 1996: 35 1997: 52 1998: 49 1999: 68 2000: 48 2001: 58 2002: 48 2003: 90 2004: 148 2005: 196 2006: 248 2007: 260 2008: 179 2009: 227 2010: 233 2011: 298 2012: 237 2013: 347 2014: 229 2015: 366 2016: 144 2017: 166 2018: 204 2019: 259 2020: 410 2021: 499 2022: 641 2023: 410 2024: 26 2025: 1 1976 1989 2002 2015 2025 Deposit year Experimental method (6,282) 0 2,000 4,000 6,000 8,000 Count X-RAY DIFFRACTION: 5,360 (85.3%) 5,360 (85.3%) X-ray ELECTRON MICROSCOPY: 922 (14.7%) 922 (14.7%) EM Method
Resolution (Å) (6,282) 0 0.2 0.4 0.6 Density 0.84-0.93: 2 0.93-1: 8 1-1.10: 24 1.10-1.19: 20 1.19-1.27: 39 1.27-1.36: 85 1.36-1.45: 70 1.45-1.53: 156 1.53-1.62: 174 1.62-1.71: 247 1.71-1.80: 165 1.80-1.88: 417 1.88-2: 399 2-2.06: 367 2.06-2.14: 266 2.14-2.23: 289 2.23-2.32: 306 2.32-2.40: 254 2.40-2.49: 122 2.49-2.58: 342 2.58-2.66: 278 2.66-2.75: 291 2.75-2.84: 285 2.84-2.92: 264 2.92-3: 283 3-3.10: 87 3.10-3.18: 254 3.18-3.27: 264 3.27-3.36: 201 3.36-3.44: 173 3.44-3.53: 144 3.53-3.62: 1 3.62-3.71: 2 3.71-3.79: 0 3.79-3.88: 2 3.88-4: 0 4-4.05: 0 4.05-4.14: 0 4.14-4.23: 0 4.23-4.31: 1 1 2 3 4 Resolution (Å) Single chain length (12,564) 0 0.004 0.008 0.012 0.016 Density 7-21.8: 3 21.8-36.5: 22 36.5-51.2: 26 51.2-66: 266 66-80.8: 196 80.8-95.5: 421 95.5-110: 1,368 110-125: 3,490 125-140: 1,214 140-154: 647 154-169: 845 169-184: 654 184-199: 726 199-214: 634 214-228: 359 228-243: 302 243-258: 303 258-272: 179 272-287: 143 287-302: 108 302-317: 174 317-332: 172 332-346: 87 346-361: 52 361-376: 46 376-390: 27 390-405: 31 405-420: 9 420-435: 21 435-450: 11 450-464: 7 464-479: 4 479-494: 5 494-508: 3 508-523: 2 523-538: 2 538-553: 2 553-568: 1 568-582: 0 582-597: 2 0 200 400 600 Residues Complex length (6,282) 0 0.001 0.002 0.003 0.004 0.005 Density 112-136: 19 136-160: 25 160-184: 137 184-208: 695 208-232: 660 232-256: 698 256-280: 755 280-304: 703 304-328: 853 328-352: 357 352-376: 170 376-400: 139 400-424: 143 424-448: 111 448-472: 108 472-496: 130 496-520: 108 520-544: 75 544-568: 47 568-592: 51 592-616: 35 616-640: 85 640-664: 44 664-688: 35 688-712: 23 712-736: 12 736-760: 15 760-784: 8 784-808: 15 808-832: 4 832-856: 5 856-880: 8 880-904: 2 904-928: 2 928-952: 0 952-976: 2 976-1000: 0 1000-1024: 1 1024-1048: 1 1048-1072: 1 300 600 900 Residues Atom count (6,282) 0 1e-4 2e-4 3e-4 Density 899-1145: 23 1145-1392: 37 1392-1638: 437 1638-1884: 132 1884-2130: 196 2130-2377: 205 2377-2623: 244 2623-2869: 308 2869-3115: 326 3115-3362: 513 3362-3608: 536 3608-3854: 547 3854-4101: 466 4101-4347: 552 4347-4593: 393 4593-4839: 566 4839-5086: 411 5086-5332: 187 5332-5578: 104 5578-5824: 33 5824-6071: 6 6071-6317: 20 6317-6563: 10 6563-6810: 4 6810-7056: 3 7056-7302: 4 7302-7548: 3 7548-7795: 3 7795-8041: 4 8041-8287: 1 8287-8534: 2 8534-8780: 0 8780-9026: 1 9026-9272: 0 9272-9519: 2 9519-9765: 1 9765-10011: 0 10011-10257: 0 10257-10504: 1 10504-10750: 1 3000 6000 9000 Atoms Antibody type (3,506) 0 1,000 2,000 3,000 Count FabH: 1,899 (54.2%) 1,899 (54.2%) FabH VH: 744 (21.2%) 744 (21.2%) VH VHH: 721 (20.6%) 721 (20.6%) VHH scFv: 122 (3.5%) 122 (3.5%) scFv VH+: 9 (0.3%) 9 (0.3%) VH+ Others: 11 (0.3%) 11 (0.3%) Others Antibody type
Antigen category (3,506) 0 500 1,000 1,500 2,000 Count Virus: 1,537 (43.8%) 1,537 (43.8%) Virus Animalia: 1,311 (37.4%) 1,311 (37.4%) Animalia Bacteria: 393 (11.2%) 393 (11.2%) Bacteria Protista: 125 (3.6%) 125 (3.6%) Protista Plantae: 49 (1.4%) 49 (1.4%) Plantae Others: 91 (2.6%) 91 (2.6%) Others Category
Antibody species (3,506) 0 1,000 2,000 Count Homo sapiens: 1,686 (48.1%) 1,686 (48.1%) Homo sapiens Mus musculus: 872 (24.9%) 872 (24.9%) Mus musculus Lama glama: 389 (11.1%) 389 (11.1%) Lama glama Vicugna pacos: 208 (5.9%) 208 (5.9%) Vicugna pacos synthetic construct: 100 (2.9%) 100 (2.9%) synthetic constru… Others: 251 (7.2%) 251 (7.2%) Others Species
Antigen species (3,506) 0 500 1,000 1,500 Count Homo sapiens: 1,041 (29.7%) 1,041 (29.7%) Homo sapiens SARS-CoV-2: 714 (20.4%) 714 (20.4%) SARS-CoV-2 HIV-1: 208 (5.9%) 208 (5.9%) HIV-1 Gallus gallus: 85 (2.4%) 85 (2.4%) Gallus gallus Mus musculus: 71 (2.0%) 71 (2.0%) Mus musculus Others: 1,387 (39.6%) 1,387 (39.6%) Others Species
Binder species (2,776) 0 250 500 750 1,000 Count Homo sapiens: 764 (27.5%) 764 (27.5%) Homo sapiens HIV-1: 295 (10.6%) 295 (10.6%) HIV-1 Escherichia coli: 98 (3.5%) 98 (3.5%) Escherichia coli Mus musculus: 74 (2.7%) 74 (2.7%) Mus musculus Bos taurus: 61 (2.2%) 61 (2.2%) Bos taurus Others: 1,484 (53.5%) 1,484 (53.5%) Others Species
Target species (2,776) 0 250 500 750 1,000 Count Homo sapiens: 770 (27.7%) 770 (27.7%) Homo sapiens HIV-1: 295 (10.6%) 295 (10.6%) HIV-1 Escherichia coli: 103 (3.7%) 103 (3.7%) Escherichia coli Mus musculus: 77 (2.8%) 77 (2.8%) Mus musculus Bos taurus: 43 (1.5%) 43 (1.5%) Bos taurus Others: 1,488 (53.6%) 1,488 (53.6%) Others Species