A Crystal Structure of SV40 Large T Antigen. Determined by X-ray diffraction at 2.8 Å resolution. Released 10 Apr 2013.
Explore 4GDF in 3D Show helices and sheets RCSB PDB PDBe
4GDF contains 112 α-helices and 58 β-strands across 4 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 143-145 | 3 | |
| β-strand | 146 | 1 | 1 |
| β-strand | 156-163 | 8 | 2 |
| α-helix | 165-178 | 14 | |
| β-strand | 183-189 | 7 | 2 |
| β-strand | 192-203 | 12 | 2 |
| α-helix | 205-214 | 10 | |
| β-strand | 222-225 | 4 | 2 |
| β-strand | 226 | 1 | 1 |
| α-helix | 229-237 | 9 | |
| β-strand | 242-243 | 2 | 2 |
| α-helix | 264-266 | 3 | |
| α-helix | 270-279 | 10 | |
| α-helix | 285-294 | 10 | |
| α-helix | 303-306 | 4 | |
| α-helix | 311-314 | 4 | |
| α-helix | 317-327 | 11 | |
| α-helix | 333-353 | 21 | |
| α-helix | 358-375 | 18 | |
| α-helix | 384-394 | 11 | |
| α-helix | 401-414 | 14 | |
| β-strand | 421-425 | 5 | 3 |
| α-helix | 432-442 | 11 | |
| β-strand | 445-448 | 4 | 3 |
| α-helix | 457-461 | 5 | |
| α-helix | 462-464 | 3 | |
| β-strand | 469-475 | 7 | 3 |
| β-strand | 477 | 1 | 4 |
| β-strand | 487 | 1 | 4 |
| α-helix | 490-494 | 5 | |
| α-helix | 498-502 | 5 | |
| β-strand | 507-509 | 3 | 5 |
| β-strand | 517-519 | 3 | 5 |
| α-helix | 520-522 | 3 | |
| β-strand | 524-528 | 5 | 3 |
| α-helix | 531-534 | 4 | |
| α-helix | 535-539 | 5 | |
| β-strand | 543-546 | 4 | 3 |
| α-helix | 551-557 | 7 | |
| α-helix | 562-565 | 4 | |
| α-helix | 572-582 | 11 | |
| α-helix | 590-592 | 3 | |
| α-helix | 593-606 | 14 | |
| α-helix | 611-621 | 11 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 143-145 | 3 | |
| β-strand | 146-147 | 2 | 6 |
| β-strand | 156-163 | 8 | 6 |
| α-helix | 165-179 | 15 | |
| β-strand | 183-189 | 7 | 6 |
| β-strand | 192-203 | 12 | 6 |
| α-helix | 205-215 | 11 | |
| β-strand | 222-226 | 5 | 6 |
| α-helix | 229-237 | 9 | |
| β-strand | 242-246 | 5 | 6 |
| α-helix | 254-256 | 3 | |
| α-helix | 270-279 | 10 | |
| α-helix | 285-293 | 9 | |
| α-helix | 294-296 | 3 | |
| α-helix | 303-307 | 5 | |
| α-helix | 311-314 | 4 | |
| α-helix | 317-327 | 11 | |
| α-helix | 333-354 | 22 | |
| α-helix | 357-375 | 19 | |
| α-helix | 384-394 | 11 | |
| α-helix | 401-414 | 14 | |
| β-strand | 421-425 | 5 | 7 |
| α-helix | 432-443 | 12 | |
| β-strand | 445-448 | 4 | 7 |
| α-helix | 456-458 | 3 | |
| α-helix | 461-464 | 4 | |
| β-strand | 469-475 | 7 | 7 |
| α-helix | 480-483 | 4 | |
| α-helix | 490-495 | 6 | |
| α-helix | 498-502 | 5 | |
| β-strand | 507-511 | 5 | 8 |
| β-strand | 514-519 | 6 | 8 |
| α-helix | 520-522 | 3 | |
| β-strand | 524-528 | 5 | 7 |
| α-helix | 538-540 | 3 | |
| β-strand | 543-546 | 4 | 7 |
| α-helix | 551-559 | 9 | |
| α-helix | 562-565 | 4 | |
| α-helix | 572-580 | 9 | |
| α-helix | 593-606 | 14 | |
| α-helix | 611-621 | 11 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 143-145 | 3 | |
| β-strand | 146 | 1 | 9 |
| β-strand | 156-163 | 8 | 10 |
| α-helix | 165-178 | 14 | |
| β-strand | 183-189 | 7 | 10 |
| β-strand | 192-203 | 12 | 10 |
| α-helix | 205-214 | 10 | |
| β-strand | 222-225 | 4 | 10 |
| β-strand | 226 | 1 | 9 |
| α-helix | 229-237 | 9 | |
| β-strand | 242-243 | 2 | 10 |
| α-helix | 264-266 | 3 | |
| α-helix | 270-279 | 10 | |
| α-helix | 285-294 | 10 | |
| α-helix | 303-306 | 4 | |
| α-helix | 311-314 | 4 | |
| α-helix | 317-327 | 11 | |
| α-helix | 333-353 | 21 | |
| α-helix | 358-375 | 18 | |
| α-helix | 384-394 | 11 | |
| α-helix | 401-414 | 14 | |
| β-strand | 421-425 | 5 | 11 |
| α-helix | 432-442 | 11 | |
| β-strand | 445-448 | 4 | 11 |
| α-helix | 457-461 | 5 | |
| α-helix | 462-464 | 3 | |
| β-strand | 469-475 | 7 | 11 |
| β-strand | 477 | 1 | 12 |
| β-strand | 487 | 1 | 12 |
| α-helix | 490-494 | 5 | |
| α-helix | 498-502 | 5 | |
| β-strand | 507-509 | 3 | 13 |
| β-strand | 517-519 | 3 | 13 |
| α-helix | 520-522 | 3 | |
| β-strand | 524-528 | 5 | 11 |
| α-helix | 531-534 | 4 | |
| α-helix | 535-539 | 5 | |
| β-strand | 543-546 | 4 | 11 |
| α-helix | 551-558 | 8 | |
| α-helix | 562-565 | 4 | |
| α-helix | 572-582 | 11 | |
| α-helix | 590-592 | 3 | |
| α-helix | 593-606 | 14 | |
| α-helix | 611-621 | 11 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Large T antigen | A, B, E, F | protein | 497 | Simian virus 40 | P03070 (AlphaFold model) |
| DNA (32-mer) | C, G | DNA | 32 | ||
| DNA (32-mer) | D, H | DNA | 32 |
>4GDF_1 Large T antigen (chains A, B, E, F) KVEDPKDFPSELLSFLSHAVFSNRTLACFAIYTTKEKAALLYKKIMEKYSVTFISRHNSY NHNILFFLTPHRHRVSAINNYAQKLCTFSFLICKGVNKEYLMYSALTRDPFSVIEESLPG GLKEHDFNPEEAEETKQVSWKLVTEYAMETKCDDVLLLLGMYLEFQYSFEMCLKCIKKEQ PSHYKYHEKHYANAAIFADSKNQKTICQQAVDTVLAKKRVDSLQLTREQMLTNRFNDLLD RMDIMFGSTGSADIEEWMAGVAWLHCLLPKMDSVVYDFLKCMVYNIPKKRYWLFKGPIDS GKTTLAAALLELCGGKALNVNLPLDRLNFELGVAIDQFLVVFEDVKGTGGESRDLPSGQG INNLDNLRDYLDGSVKVNLEKKHLNKRTQIFPPGIVTMNEYSVPKTLQARFVKQIDFRPK DYLKHCLERSEFLLEKRIIQSGIALLLMLIWYRPVAEFAQSIQSRIVEWKERLDKEFSLS VYQKMKFNVAMGIGVLD
>4GDF_2 DNA (32-MER) (chains C, G) ACTACTTCTGGAATAGCTCAGAGGCCGAGGCG
>4GDF_3 DNA (32-MER) (chains D, H) CGCCTCGGCCTCTGAGCTATTCCAGAAGTAGT
| ID | Name | Formula | Copies |
|---|---|---|---|
| ZN | Zinc ion | Zn | 4 |
Mechanism of Origin DNA Recognition and Assembly of an Initiator-Helicase Complex by SV40 Large Tumor Antigen. Chang, Y.P., Xu, M., Machado, A.C. et al. Cell Rep (2013) 3:1117-1127. DOI 10.1016/j.celrep.2013.03.002 · PubMed
Other PDB entries of the same protein (UniProt P03070 (AlphaFold model), which also has an AlphaFold model), best resolution first:
MolViewer shows 4GDF directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.