Bovine beta-lactoglobulin, lattice X. Determined by X-ray diffraction at 1.8 Å resolution. Released 15 May 1997.
Explore 1BEB in 3D Show helices and sheets RCSB PDB PDBe
1BEB contains 12 α-helices and 22 β-strands across 2 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 | 6-7 | 2 | |
| α-helix | 12-15 | 4 | |
| β-strand | 17-18 | 2 | 1 |
| β-strand | 20-26 | 7 | 2 |
| α-helix | 29-31 | 3 | |
| β-strand | 42-48 | 7 | 1 |
| β-strand | 54-61 | 8 | 1 |
| β-strand | 66-73 | 8 | 1 |
| β-strand | 74-75 | 2 | 2 |
| β-strand | 81-86 | 6 | 2 |
| β-strand | 89-97 | 9 | 2 |
| β-strand | 102-108 | 7 | 2 |
| α-helix | 113-115 | 3 | |
| β-strand | 118-123 | 6 | 2 |
| α-helix | 130-140 | 11 | |
| β-strand | 147-150 | 4 | 2 |
| α-helix | 153-156 | 4 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| α-helix | 12-15 | 4 | |
| β-strand | 17-18 | 2 | 3 |
| β-strand | 20-26 | 7 | 2 |
| α-helix | 29-31 | 3 | |
| β-strand | 41-48 | 8 | 3 |
| β-strand | 54-61 | 8 | 3 |
| β-strand | 66-73 | 8 | 3 |
| β-strand | 74-75 | 2 | 2 |
| β-strand | 81-86 | 6 | 2 |
| β-strand | 89-97 | 9 | 2 |
| β-strand | 102-108 | 7 | 2 |
| α-helix | 113-115 | 3 | |
| β-strand | 118-123 | 6 | 2 |
| α-helix | 130-139 | 10 | |
| α-helix | 140-142 | 3 | |
| β-strand | 147-150 | 4 | 2 |
| α-helix | 153-158 | 6 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Beta-lactoglobulin | A, B | protein | 162 | Bos taurus | P02754 (AlphaFold model) |
>1BEB_1 BETA-LACTOGLOBULIN (chains A, B) LIVTQTMKGLDIQKVAGTWYSLAMAASDISLLDAQSAPLRVYVEELKPTPEGDLEILLQK WENGECAQKKIIAEKTKIPAVFKIDALNENKVLVLDTDYKKYLLFCMENSAEPEQSLVCQ CLVRTPEVDDEALEKFDKALKALPMHIRLSFNPTQLEEQCHI
Bovine beta-lactoglobulin at 1.8 A resolution--still an enigmatic lipocalin. Brownlow, S., Morais Cabral, J.H., Cooper, R. et al. Structure (1997) 5:481-495. DOI 10.1016/S0969-2126(97)00205-0 · PubMed
Other PDB entries of the same protein (UniProt P02754 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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