The cryo-EM structure of PPP2R5A/HIV-1 Vif/CBFb/EloB/EloC complex. Determined by electron microscopy at 3.58 Å resolution. Released 5 Jun 2024.
Explore 8SZK in 3D Show helices and sheets RCSB PDB PDBe
8SZK contains 54 α-helices and 21 β-strands across 5 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 |
|---|---|---|---|
| β-strand | 4-9 | 6 | 1 |
| β-strand | 12-17 | 6 | 1 |
| α-helix | 25-35 | 11 | |
| β-strand | 46 | 1 | 2 |
| β-strand | 49 | 1 | 2 |
| α-helix | 57-60 | 4 | |
| β-strand | 73-74 | 2 | 1 |
| α-helix | 91-94 | 4 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 18-23 | 6 | 3 |
| β-strand | 28-32 | 5 | 3 |
| α-helix | 33-36 | 4 | |
| α-helix | 40-46 | 7 | |
| β-strand | 59-62 | 4 | 3 |
| α-helix | 67-82 | 16 | |
| α-helix | 90-92 | 3 | |
| α-helix | 101-110 | 10 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 5-10 | 6 | |
| α-helix | 16-19 | 4 | |
| β-strand | 25-29 | 5 | 4 |
| α-helix | 37-49 | 13 | |
| β-strand | 55-58 | 4 | 4 |
| β-strand | 64-70 | 7 | 4 |
| β-strand | 85-87 | 3 | 4 |
| β-strand | 94-103 | 10 | 4 |
| β-strand | 106-115 | 10 | 4 |
| β-strand | 120-127 | 8 | 4 |
| α-helix | 137-148 | 12 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 56-58 | 3 | |
| α-helix | 67-77 | 11 | |
| α-helix | 93-109 | 17 | |
| α-helix | 117-119 | 3 | |
| α-helix | 120-131 | 12 | |
| α-helix | 135-138 | 4 | |
| α-helix | 149-151 | 3 | |
| α-helix | 156-170 | 15 | |
| α-helix | 177-183 | 7 | |
| α-helix | 186-194 | 9 | |
| α-helix | 195-197 | 3 | |
| α-helix | 201-217 | 17 | |
| α-helix | 222-237 | 16 | |
| α-helix | 246-257 | 12 | |
| α-helix | 261 | 1 | |
| α-helix | 264 | 1 | |
| α-helix | 266-271 | 6 | |
| α-helix | 272-276 | 5 | |
| α-helix | 277-281 | 5 | |
| α-helix | 285-300 | 16 | |
| α-helix | 304-306 | 3 | |
| α-helix | 307-316 | 10 | |
| α-helix | 323-336 | 14 | |
| α-helix | 342-345 | 4 | |
| α-helix | 349-359 | 11 | |
| α-helix | 365-372 | 8 | |
| α-helix | 373-376 | 4 | |
| α-helix | 379-386 | 8 | |
| α-helix | 388-401 | 14 | |
| α-helix | 402-404 | 3 | |
| α-helix | 409-422 | 14 | |
| α-helix | 427-448 | 22 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 2-4 | 3 | |
| β-strand | 5-13 | 9 | 4 |
| α-helix | 15-26 | 12 | |
| α-helix | 27-31 | 5 | |
| β-strand | 39-42 | 4 | 4 |
| β-strand | 51-59 | 9 | 4 |
| β-strand | 62-69 | 8 | 4 |
| β-strand | 83-91 | 9 | 4 |
| β-strand | 94-97 | 4 | 4 |
| α-helix | 100-107 | 8 | |
| α-helix | 108-110 | 3 | |
| α-helix | 119-125 | 7 | |
| α-helix | 136-138 | 3 | |
| α-helix | 145-153 | 9 | |
| α-helix | 162-164 | 3 | |
| α-helix | 166-169 | 4 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Elongin-B | A | protein | 118 | Homo sapiens | Q15370 (AlphaFold model) |
| Elongin-C | B | protein | 96 | Homo sapiens | Q15369 (AlphaFold model) |
| Core-binding factor subunit beta | C | protein | 201 | Homo sapiens | Q13951 (AlphaFold model) |
| Virion infectivity factor | G | protein | 176 | Human immunodeficiency virus type 1 (NEW YORK-5 ISOLATE) | P12504 |
| Serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit alpha isoform | D | protein | 486 | Homo sapiens | Q15172 |
>8SZK_1 Elongin-B (chains A) MDVFLMIRRHKTTIFTDAKESSTVFELKRIVEGILKRPPDEQRLYKDDQLLDDGKTLGEC GFTSQTARPQAPATVGLAFRADDTFEALCIEPFSSPPELPDVMKPQDSGSSANEQAVQ
>8SZK_2 Elongin-C (chains B) MYVKLISSDGHEFIVKREHALTSGTIKAMLSGPGQFAENETNEVNFREIPSHVLSKVCMY FTYKVRYTNSSTEIPEFPIAPEIALELLMAANFLDC
>8SZK_3 Core-binding factor subunit beta (chains C) MGSSHHHHHHSQDPMPRVVPDQRSKFENEEFFRKLSRECEIKYTGFRDRPHEERQARFQN ACRDGRSEIAFVATGTNLSLQFFPASWQGEQRQTPSREYVDLEREAGKVYLKAPMILNGV CVIWKGWIDLQRLDGMGCLEFDEERAQQEDALAQQAFEEARRRTREFEDRDRSHREEMEA RRQQDPSPGSNLGGGDDLKLR
>8SZK_4 Virion infectivity factor (chains G) MENRWQVMIVWQVDRMRINTWKRLVKHHMYISRKAKDWFYRHHYESTNPKISSEVHIPLG DAKLVITTYWGLHTGERDWHLGQGVSIEWRKKRYSTQVDPDLADQLIHLHYFDCFSESAI RNTILGRIVSPRCEYQAGHNKVGSLQYLALAALIKPKQIKPPLPSVRKLTEDRWNK
>8SZK_5 Serine/threonine-protein phosphatase 2A 56 kDa regulatory subunit alpha isoform (chains D) MSSSSPPAGAASAAISASEKVDGFTRKSVRKAQRQKRSQGSSQFRSQGSQAELHPLPQLK DATSNEQQELFCQKLQQCCILFDFMDSVSDLKSKEIKRATLNELVEYVSTNRGVIVESAY SDIVKMISANIFRTLPPSDNPDFDPEEDEPTLEASWPHIQLVYEFFLRFLESPDFQPSIA KRYIDQKFVQQLLELFDSEDPRERDFLKTVLHRIYGKFLGLRAFIRKQINNIFLRFIYET EHFNGVAELLEILGSIINGFALPLKAEHKQFLMKVLIPMHTAKGLALFHAQLAYCVVQFL EKDTTLTEPVIRGLLKFWPKTCSQKEVMFLGEIEEILDVIEPTQFKKIEEPLFKQISKCV SSSHFQVAERALYFWNNEYILSLIEENIDKILPIMFASLYKISKEHWNPTIVALVYNVLK TLMEMNGKLFDDLTSSYKAERQREKKKELEREELWKKLEELKLKKALEKQNSAYNMHSIL SNTSAE
Structural insights into PPP2R5A degradation by HIV-1 Vif. Hu, Y., Delviks-Frankenberry, K.A., Wu, C. et al. Nat Struct Mol Biol (2024) 31:1492-1501. DOI 10.1038/s41594-024-01314-6 · PubMed
Other PDB entries of the same protein (UniProt Q15370 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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