Crystal structure of integrin beta-3 tail bound to the FERM-folded talin head domain with a D397R mutation. Determined by X-ray diffraction at 2.3 Å resolution. Released 23 Apr 2025.
Explore 9C1T in 3D Show helices and sheets RCSB PDB PDBe
9C1T contains 21 α-helices and 19 β-strands across 1 chain. 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 | 4-10 | 7 | 1 |
| β-strand | 13-19 | 7 | 1 |
| β-strand | 24 | 1 | 2 |
| α-helix | 25-35 | 11 | |
| α-helix | 37-40 | 4 | |
| α-helix | 44-46 | 3 | |
| β-strand | 47-51 | 5 | 1 |
| α-helix | 56-58 | 3 | |
| β-strand | 60-61 | 2 | 1 |
| α-helix | 62-63 | 2 | |
| β-strand | 67 | 1 | 2 |
| α-helix | 68-71 | 4 | |
| β-strand | 78-83 | 6 | 1 |
| β-strand | 85-91 | 7 | 3 |
| β-strand | 97-103 | 7 | 3 |
| α-helix | 108-119 | 12 | |
| α-helix | 124-126 | 3 | |
| β-strand | 127-131 | 5 | 3 |
| β-strand | 173 | 1 | 3 |
| α-helix | 174-175 | 2 | |
| α-helix | 181-183 | 3 | |
| β-strand | 191-195 | 5 | 3 |
| α-helix | 202-204 | 3 | |
| α-helix | 209-225 | 17 | |
| α-helix | 232-247 | 16 | |
| α-helix | 262-264 | 3 | |
| α-helix | 268-271 | 4 | |
| α-helix | 276-284 | 9 | |
| α-helix | 291-303 | 13 | |
| β-strand | 311-317 | 7 | 4 |
| α-helix | 325 | 1 | |
| β-strand | 326-332 | 7 | 4 |
| β-strand | 336-340 | 5 | 4 |
| β-strand | 347-352 | 6 | 4 |
| α-helix | 353-355 | 3 | |
| β-strand | 358-361 | 4 | 4 |
| β-strand | 365-369 | 5 | 4 |
| α-helix | 371-373 | 3 | |
| β-strand | 378-381 | 4 | 4 |
| α-helix | 385-401 | 17 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Integrin beta-3, Talin-1 | A | protein | 411 | Homo sapiens, Mus musculus | P26039 (AlphaFold model) |
>9C1T_1 Integrin beta-3, Talin-1 (chains A) MTANNPLYKEAMVALSLKISIGNVVKTMQFEPSTMVYDACRMIRERIPEALAGPPNDFGL FLSDDDPKKGIWLEAGKALDYYMLRNGDTMEYRKKQRPLKIRMLDGTVKTIMVDDSKTVT DMLMTICARIGITNHDEYSLVRELMEEKKDELNWLDHGRTLREQGVEEHETLLLRRKFFY SDQNVDSRDPVQLNLLYVQARDDILNGSHPVSFDKACEFAGFQCQIQFGPHNEQKHKAGF LDLKDFLPKEYVKQKGERKIFQAHKNCGQMSEIEAKVRYVKLARSLKTYGVSFFLVKEKM KGKNKLVPRLLGITKECVMRVDEKTKEVIQEWSLTNIKRWAASPKSFTLDFGDYQDGYYS VQTTEGEQIAQLIAGYIRIILKKKKSKDHFGLEGDEESTMLEDSVSPKKST
Molecular basis of beta 2 integrin activation by talin unveils subunit-specific mechanisms of integrin signaling. Gao, T., Maskalenko, N.A., Kabir, S. et al. Cell Rep (2025) 44:115607-115607. DOI 10.1016/j.celrep.2025.115607 · PubMed
Other PDB entries of the same protein (UniProt P26039 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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