1CLO: A5B7 monoclonal antibody

Anti-carcinoembryonic antigen monoclonal antibody A5B7. Determined by X-ray diffraction at 2.1 Å resolution. Released 15 May 1997.

Method
X-ray diffraction
Resolution
2.1 Å
Organism
Mus musculus
Chains
2
Atoms
3,727
Mol. weight
47.31 kDa
Released
15 May 1997

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

Secondary structure: helices and β-sheets

1CLO contains 14 α-helices and 43 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 H: 7 helices, 22 β-strands

ElementResiduesLengthSheet
β-strand3-756
β-strand10-1232
β-strand18-2586
β-strand34-3962
β-strand46-5162
β-strand57-5932
β-strand6416
β-strand67-7156
β-strand77-8266
α-helix84-863
β-strand88-9582
β-strand100K-10342
β-strand107-11152
α-helix115-1162
β-strand11717
α-helix118-1192
β-strand120-12458
β-strand136-145108
β-strand14617
β-strand151-15449
α-helix155-1573
β-strand163-16538
α-helix166-1683
β-strand169-17138
β-strand174-183108
β-strand194-19969
α-helix200-2023
β-strand204-20969
α-helix2101
Chain L: 7 helices, 21 β-strands
ElementResiduesLengthSheet
β-strand4-741
β-strand10-1342
β-strand19-2571
β-strand34-3852
β-strand45-4952
β-strand53-5422
α-helix551
β-strand62-6761
β-strand70-7561
α-helix80-823
β-strand84-9072
α-helix961
β-strand97-9822
β-strand102-10652
β-strand11113
β-strand114-11854
α-helix119-1213
α-helix122-1265
β-strand129-139114
β-strand14013
β-strand144-15075
β-strand153-15535
β-strand159-16354
α-helix164-1674
β-strand173-182104
α-helix183-1864
β-strand191-19885
β-strand201-210105

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
A5B7 monoclonal antibodyLprotein213Mus musculus
A5B7 monoclonal antibodyHprotein222Mus musculusP01868 (AlphaFold model)
Sequence of entity 1 (L), FASTA
>1CLO_1 A5B7 MONOCLONAL ANTIBODY (chains L)
QTVLSQSPAILSASPGEKVTMTCRASSSVTYIHWYQQKPGSSPKSWIYATSNLASGVPAR
FSGSGSGTSYSLTISRVEAEDAATYYCQHWSSKPPTFGGGTKLEIKRADAAPTVSIFPPS
SEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTL
TKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC
Sequence of entity 2 (H), FASTA
>1CLO_2 A5B7 MONOCLONAL ANTIBODY (chains H)
EVKLVESGGGLVQPGGSLRLSCATSGFTFTDYYMNWVRQPPGKALEWLGFIGNKANGYTT
EYSASVKGRFTISRDKSQSILYLQMNTLRAEDSATYYCTRDRGLRFYFDYWGQGTTLTVS
SAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQS
DLYTLSSSVTVPSSPRPSETVTCNVAHPASSTKVDKKIVPRD

Primary citation

VL:VH domain rotations in engineered antibodies: crystal structures of the Fab fragments from two murine antitumor antibodies and their engineered human constructs. Banfield, M.J., King, D.J., Mountain, A. et al. Proteins (1997) 29:161-171. DOI 10.1002/(SICI)1097-0134(199710)29:2<161::AID-PROT4>3.0.CO;2-G · PubMed

Other PDB entries of the same protein (UniProt P01868 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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