4GDF: A Crystal Structure of SV40 Large T Antigen

A Crystal Structure of SV40 Large T Antigen. Determined by X-ray diffraction at 2.8 Å resolution. Released 10 Apr 2013.

Method
X-ray diffraction
Resolution
2.8 Å
Organism
Simian virus 40
Chains
8
Atoms
18,835
Mol. weight
269.43 kDa
Ligands
ZN
Released
10 Apr 2013

Explore 4GDF in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

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.

Chain A: 28 helices, 16 β-strands

ElementResiduesLengthSheet
α-helix143-1453
β-strand14611
β-strand156-16382
α-helix165-17814
β-strand183-18972
β-strand192-203122
α-helix205-21410
β-strand222-22542
β-strand22611
α-helix229-2379
β-strand242-24322
α-helix264-2663
α-helix270-27910
α-helix285-29410
α-helix303-3064
α-helix311-3144
α-helix317-32711
α-helix333-35321
α-helix358-37518
α-helix384-39411
α-helix401-41414
β-strand421-42553
α-helix432-44211
β-strand445-44843
α-helix457-4615
α-helix462-4643
β-strand469-47573
β-strand47714
β-strand48714
α-helix490-4945
α-helix498-5025
β-strand507-50935
β-strand517-51935
α-helix520-5223
β-strand524-52853
α-helix531-5344
α-helix535-5395
β-strand543-54643
α-helix551-5577
α-helix562-5654
α-helix572-58211
α-helix590-5923
α-helix593-60614
α-helix611-62111
Chains B and F: 28 helices, 13 β-strands
ElementResiduesLengthSheet
α-helix143-1453
β-strand146-14726
β-strand156-16386
α-helix165-17915
β-strand183-18976
β-strand192-203126
α-helix205-21511
β-strand222-22656
α-helix229-2379
β-strand242-24656
α-helix254-2563
α-helix270-27910
α-helix285-2939
α-helix294-2963
α-helix303-3075
α-helix311-3144
α-helix317-32711
α-helix333-35422
α-helix357-37519
α-helix384-39411
α-helix401-41414
β-strand421-42557
α-helix432-44312
β-strand445-44847
α-helix456-4583
α-helix461-4644
β-strand469-47577
α-helix480-4834
α-helix490-4956
α-helix498-5025
β-strand507-51158
β-strand514-51968
α-helix520-5223
β-strand524-52857
α-helix538-5403
β-strand543-54647
α-helix551-5599
α-helix562-5654
α-helix572-5809
α-helix593-60614
α-helix611-62111
Chain E: 28 helices, 16 β-strands
ElementResiduesLengthSheet
α-helix143-1453
β-strand14619
β-strand156-163810
α-helix165-17814
β-strand183-189710
β-strand192-2031210
α-helix205-21410
β-strand222-225410
β-strand22619
α-helix229-2379
β-strand242-243210
α-helix264-2663
α-helix270-27910
α-helix285-29410
α-helix303-3064
α-helix311-3144
α-helix317-32711
α-helix333-35321
α-helix358-37518
α-helix384-39411
α-helix401-41414
β-strand421-425511
α-helix432-44211
β-strand445-448411
α-helix457-4615
α-helix462-4643
β-strand469-475711
β-strand477112
β-strand487112
α-helix490-4945
α-helix498-5025
β-strand507-509313
β-strand517-519313
α-helix520-5223
β-strand524-528511
α-helix531-5344
α-helix535-5395
β-strand543-546411
α-helix551-5588
α-helix562-5654
α-helix572-58211
α-helix590-5923
α-helix593-60614
α-helix611-62111

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Large T antigenA, B, E, Fprotein497Simian virus 40P03070 (AlphaFold model)
DNA (32-mer)C, GDNA32
DNA (32-mer)D, HDNA32
Sequence of entity 1 (A, B, E, F), FASTA
>4GDF_1 Large T antigen (chains A, B, E, F)
KVEDPKDFPSELLSFLSHAVFSNRTLACFAIYTTKEKAALLYKKIMEKYSVTFISRHNSY
NHNILFFLTPHRHRVSAINNYAQKLCTFSFLICKGVNKEYLMYSALTRDPFSVIEESLPG
GLKEHDFNPEEAEETKQVSWKLVTEYAMETKCDDVLLLLGMYLEFQYSFEMCLKCIKKEQ
PSHYKYHEKHYANAAIFADSKNQKTICQQAVDTVLAKKRVDSLQLTREQMLTNRFNDLLD
RMDIMFGSTGSADIEEWMAGVAWLHCLLPKMDSVVYDFLKCMVYNIPKKRYWLFKGPIDS
GKTTLAAALLELCGGKALNVNLPLDRLNFELGVAIDQFLVVFEDVKGTGGESRDLPSGQG
INNLDNLRDYLDGSVKVNLEKKHLNKRTQIFPPGIVTMNEYSVPKTLQARFVKQIDFRPK
DYLKHCLERSEFLLEKRIIQSGIALLLMLIWYRPVAEFAQSIQSRIVEWKERLDKEFSLS
VYQKMKFNVAMGIGVLD
Sequence of entity 2 (C, G), FASTA
>4GDF_2 DNA (32-MER) (chains C, G)
ACTACTTCTGGAATAGCTCAGAGGCCGAGGCG
Sequence of entity 3 (D, H), FASTA
>4GDF_3 DNA (32-MER) (chains D, H)
CGCCTCGGCCTCTGAGCTATTCCAGAAGTAGT

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn4

Primary citation

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:

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