1BEB: Bovine beta-lactoglobulin, lattice X

Bovine beta-lactoglobulin, lattice X. Determined by X-ray diffraction at 1.8 Å resolution. Released 15 May 1997.

Method
X-ray diffraction
Resolution
1.8 Å
Organism
Bos taurus
Chains
2
Atoms
2,668
Mol. weight
36.75 kDa
Released
15 May 1997

Explore 1BEB in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

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.

Chain A: 6 helices, 11 β-strands

ElementResiduesLengthSheet
α-helix6-72
α-helix12-154
β-strand17-1821
β-strand20-2672
α-helix29-313
β-strand42-4871
β-strand54-6181
β-strand66-7381
β-strand74-7522
β-strand81-8662
β-strand89-9792
β-strand102-10872
α-helix113-1153
β-strand118-12362
α-helix130-14011
β-strand147-15042
α-helix153-1564
Chain B: 6 helices, 11 β-strands
ElementResiduesLengthSheet
α-helix12-154
β-strand17-1823
β-strand20-2672
α-helix29-313
β-strand41-4883
β-strand54-6183
β-strand66-7383
β-strand74-7522
β-strand81-8662
β-strand89-9792
β-strand102-10872
α-helix113-1153
β-strand118-12362
α-helix130-13910
α-helix140-1423
β-strand147-15042
α-helix153-1586

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Beta-lactoglobulinA, Bprotein162Bos taurusP02754 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>1BEB_1 BETA-LACTOGLOBULIN (chains A, B)
LIVTQTMKGLDIQKVAGTWYSLAMAASDISLLDAQSAPLRVYVEELKPTPEGDLEILLQK
WENGECAQKKIIAEKTKIPAVFKIDALNENKVLVLDTDYKKYLLFCMENSAEPEQSLVCQ
CLVRTPEVDDEALEKFDKALKALPMHIRLSFNPTQLEEQCHI

Primary citation

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:

Browse structure collections

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