1CK0: Protein)

Anti-anti-idiotypic antibody against human angiotensin II, unliganded form. Determined by X-ray diffraction at 2.5 Å resolution. Released 5 Aug 2003.

Method
X-ray diffraction
Resolution
2.5 Å
Organism
Mus musculus
Chains
2
Atoms
3,324
Mol. weight
47.56 kDa
Released
5 Aug 2003

Explore 1CK0 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1CK0 contains 12 α-helices and 45 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: 6 helices, 22 β-strands

ElementResiduesLengthSheet
β-strand3-757
β-strand10-1238
β-strand18-2587
β-strand34-3968
β-strand45-5178
α-helix52B-533
β-strand57-5938
β-strand67-7267
β-strand77-8267
α-helix87-893
β-strand91-9778
β-strand106-10728
β-strand111-11558
β-strand12119
β-strand124-128510
β-strand140-1491010
β-strand15019
β-strand155-158411
α-helix159-1613
β-strand163111
β-strand167-169310
α-helix170-1723
β-strand173-175310
β-strand178-1871010
α-helix191-1944
β-strand198-203611
α-helix204-2063
β-strand208-213611
Chain L: 6 helices, 23 β-strands
ElementResiduesLengthSheet
β-strand4-741
β-strand10-1342
β-strand19-2571
β-strand3013
β-strand31F13
β-strand33-3862
β-strand45-4952
β-strand53-5422
α-helix551
β-strand62-6761
β-strand70-7561
α-helix80-823
β-strand84-9072
β-strand96-9722
β-strand101-10552
β-strand11014
β-strand113-11755
α-helix118-1203
α-helix121-1244
β-strand128-138115
β-strand13914
β-strand144-15076
β-strand152-15436
β-strand158-16255
α-helix163-1664
β-strand172-181105
α-helix182-1865
β-strand190-19676
β-strand204-20966

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Protein (IgG1-kappa antibody 131 (light chain))Lprotein216Mus musculusP01837 (AlphaFold model)
Protein (IgG1-kappa antibody 131 (heavy chain))Hprotein219Mus musculusP01869 (AlphaFold model)
Sequence of entity 1 (L), FASTA
>1CK0_1 PROTEIN (IGG1-KAPPA ANTIBODY 131 (LIGHT CHAIN)) (chains L)
DIQLTQSPSSLAVSAGEKVTMNCKSSQNLLHSITRKNYLAWYRQKPGQSPKLLIYWASTR
GSGVPDRFTGSGSGTDFTLTISSVQAEDLAVYYCKQSYNLYTFGGGTKLEIKRADAAPTV
SIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSM
SSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNR
Sequence of entity 2 (H), FASTA
>1CK0_2 PROTEIN (IGG1-KAPPA ANTIBODY 131 (HEAVY CHAIN)) (chains H)
QVQLQESGGGLVQPRGSLKLSCAASGFTFNTDAMNWVRQAPGKGLEWVARIRSKGFNFAT
YYADSVRDRFTISRDDSQSMLYLQMNNLKTEDTGIYYCVRGRDGEAMDYWGQGTTLTVSS
AKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSD
LYTLSSSVTVPSSPRPSETVTCNVAHPASSTKVDKKIVN

Primary citation

Structures of Angiotensin II and a Phage-Display Selected Cyclic Peptide in Complex with Fab131: Making Angiotensin II Analogs. Pan, Y.H., Lee, K.H., Li, M. et al. To be published.

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

Browse structure collections

About this viewer

MolViewer shows 1CK0 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.