1OSP: Outer surface protein A of borrelia burgdorferi

Crystal structure of outer surface protein A of borrelia burgdorferi complexed with a murine monoclonal antibody FAB. Determined by X-ray diffraction at 1.95 Å resolution. Released 21 Apr 1997.

Method
X-ray diffraction
Resolution
1.95 Å
Organisms
Mus musculus, Borrelia burgdorferi
Chains
3
Atoms
5,537
Mol. weight
74.83 kDa
Released
21 Apr 1997

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

Secondary structure: helices and β-sheets

1OSP contains 19 α-helices and 64 β-strands across 3 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 H: 6 helices, 19 β-strands

ElementResiduesLengthSheet
β-strand3-757
β-strand11-1228
α-helix171
β-strand18-2587
β-strand34-4079
β-strand44-5189
α-helix53-553
β-strand57-5939
β-strand67-7267
β-strand77-8267
α-helix87-893
β-strand91-9889
β-strand107-11049
β-strand114-11639
β-strand117-11828
α-helix122-1232
β-strand127-131510
β-strand142-1521110
β-strand158-162511
β-strand169-1781010
β-strand181-1911110
α-helix192-1943
β-strand201-206611
α-helix207-2093
β-strand211-216611
Chain L: 9 helices, 22 β-strands
ElementResiduesLengthSheet
α-helix2-32
β-strand4-521
β-strand10-1342
β-strand19-2353
β-strand24-2521
β-strand33-3862
β-strand45-4952
β-strand53-5422
β-strand62-6543
β-strand71-7553
α-helix80-823
β-strand85-9062
α-helix961
β-strand97-9822
β-strand102-10652
β-strand11114
α-helix112-1132
β-strand114-11855
α-helix119-1213
α-helix122-1265
β-strand129-139115
β-strand14014
β-strand145-15066
β-strand153-15536
β-strand159-16355
α-helix164-1674
β-strand173-182105
α-helix183-1864
β-strand191-19776
α-helix2041
β-strand205-21066
Chain O: 4 helices, 23 β-strands
ElementResiduesLengthSheet
α-helix26-283
β-strand29-33512
α-helix35-373
β-strand39-43512
β-strand52-58712
β-strand61-67712
β-strand74-79612
β-strand85-90612
β-strand96-102712
β-strand109-116812
β-strand121-126612
β-strand132-138712
β-strand144-148512
β-strand156-161612
β-strand166-171612
β-strand175-182812
β-strand185-192812
β-strand197-203712
β-strand212-217613
α-helix218-2203
β-strand222-227613
β-strand230-237813
β-strand243-247513
β-strand248114
β-strand255114
β-strand260-261213
α-helix265-2728

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
FAB 184.1Lprotein214Mus musculusP01837 (AlphaFold model)
FAB 184.1Hprotein218Mus musculusP01867 (AlphaFold model)
Outer surface protein AOprotein257Borrelia burgdorferiP0CL66 (AlphaFold model)
Sequence of entity 1 (L), FASTA
>1OSP_1 FAB 184.1 (chains L)
DIQMSQSSSSFSVSLGDRVTITCKASEDIYSRLAWYQQKPGNAPRLLISGATSLETWVPS
RFSGSDSGKDYTLSITSLQTEDVATYFCQQYWSPPPTFGGGTKLEIKRADAAPTVSIFPP
SSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLT
LTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC
Sequence of entity 2 (H), FASTA
>1OSP_2 FAB 184.1 (chains H)
EVQLQESGPSLVKPSQTLSLTCSVTGEPITSGFWDWIRKFPGNKLEFMGYIRYGGGTYYN
PSLKSPISITRDTSKNHYYLQLNSVVTEDTATYYCARSRDYYGSSGFAFWGEGTLVTVSA
AKTTPPSVYPLAPGCGDTTGSSVTLGCLVKGYFPESVTVTWNSGSLSSSVHTFPALLQSG
LYTMSSSVTVPSSTWPSQTVTCSVAHPASSTTVDKKLE
Sequence of entity 3 (O), FASTA
>1OSP_3 OUTER SURFACE PROTEIN A (chains O)
AKQNVSSLDEKNSVSVDLPGEMKVLVSKEKNKDGKYDLIATVDKLELKGTSDKNNGSGVL
EGVKADKCKVKLTISDDLGQTTLEVFKEDGKTLVSKKVTSKDKSSTEEKFNEKGEVSEKI
ITRADGTRLEYTGIKSDGSGKAKEVLKGYVLEGTLTAEKTTLVVKEGTVTLSKNISKSGE
VSVELNDTDSSAATKKTAAWNSGTSTLTITVNSKKTKDLVFTKENTITVQQYDSNGTKLE
GSAVEITKLDEIKNALK

Primary citation

Crystal structure of Lyme disease antigen outer surface protein A complexed with an Fab. Li, H., Dunn, J.J., Luft, B.J. et al. Proc Natl Acad Sci U S A (1997) 94:3584-3589. DOI 10.1073/pnas.94.8.3584 · PubMed

Other PDB entries of the same protein (UniProt P01837 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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