3QRB: E-cadherin EC1-2 P5A P6A

crystal structure of E-cadherin EC1-2 P5A P6A. Determined by X-ray diffraction at 1.8 Å resolution. Released 18 May 2011.

Method
X-ray diffraction
Resolution
1.8 Å
Organism
Mus musculus
Chains
2
Atoms
4,277
Mol. weight
47.21 kDa
Ligands
CA
Released
18 May 2011

Explore 3QRB in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3QRB contains 7 α-helices and 38 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: 3 helices, 19 β-strands

ElementResiduesLengthSheet
β-strand4-1071
β-strand19-2352
α-helix27-304
β-strand34-3961
β-strand4113
β-strand4513
β-strand51-5332
β-strand59-6242
β-strand73-82101
β-strand8711
β-strand92-9981
β-strand107-10824
β-strand112-11875
α-helix121-1222
β-strand126-12946
β-strand132-13324
β-strand147-15485
β-strand163-16536
β-strand171-17446
β-strand186-19495
α-helix196-1983
β-strand202-212115
Chain B: 4 helices, 19 β-strands
ElementResiduesLengthSheet
β-strand7-1047
β-strand19-2358
α-helix27-304
β-strand34-3967
β-strand4119
β-strand4519
β-strand51-5338
β-strand59-6248
β-strand73-82107
β-strand8717
β-strand92-9987
α-helix1001
β-strand107-108210
β-strand112-118711
α-helix121-1222
β-strand126-129412
β-strand132-133210
β-strand147-154811
β-strand163-165312
β-strand171-174412
β-strand186-194911
α-helix196-1983
β-strand202-2121111

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Cadherin-1A, Bprotein213Mus musculusP09803 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>3QRB_1 Cadherin-1 (chains A, B)
DWVIAAISCPENEKGEFPKNLVQIKSNRDKETKVFYSITGQGADKPPVGVFIIERETGWL
KVTQPLDREAIAKYILYSHAVSSNGEAVEDPMEIVITVTDQNDNRPEFTQEVFEGSVAEG
AVPGTSVMKVSATDADDDVNTYNAAIAYTIVSQDPELPHKNMFTVNRDTGVISVLTSGLD
RESYPTYTLVVQAADLQGEGLSTTAKAVITVKD

Ligands and cofactors

IDNameFormulaCopies
CACalcium ionCa6

Water and common crystallization additives (PGE, EDO) are not listed.

Primary citation

Molecular design principles underlying beta-strand swapping in the adhesive dimerization of cadherins. Vendome, J., Posy, S., Jin, X. et al. Nat Struct Mol Biol (2011) 18:693-700. DOI 10.1038/nsmb.2051 · PubMed

Other PDB entries of the same protein (UniProt P09803 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 3QRB directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.