2B4Z: Cytochrome C from bovine heart

Crystal structure of cytochrome C from bovine heart at 1.5 A resolution. Determined by X-ray diffraction at 1.5 Å resolution. Released 11 Oct 2005.

Method
X-ray diffraction
Resolution
1.5 Å
Organism
Bos taurus
Chains
1
Atoms
1,079
Mol. weight
12.21 kDa
Ligands
HEM
Released
11 Oct 2005

Explore 2B4Z in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2B4Z contains 6 α-helices and 2 β-strands across 1 chain. 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, 2 β-strands

ElementResiduesLengthSheet
α-helix3-1311
α-helix24-263
β-strand3911
α-helix50-545
β-strand5811
α-helix61-677
α-helix71-744
α-helix88-10114

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Cytochrome cAprotein104Bos taurusP62894 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>2B4Z_1 Cytochrome c (chains A)
GDVEKGKKIFVQKCAQCHTVEKGGKHKTGPNLHGLFGRKTGQAPGFSYTDANKNKGITWG
EETLMEYLENPKKYIPGTKMIFAGIKKKGEREDLIAYLKKATNE

Ligands and cofactors

IDNameFormulaCopies
HEMProtoporphyrin IX containing FEC34 H32 Fe N4 O41

Primary citation

High resolution X-ray crystallographic structure of bovine heart cytochrome c and its application to the design of an electron transfer biosensor. Mirkin, N., Jaconcic, J., Stojanoff, V. et al. Proteins (2008) 70:83-92. DOI 10.1002/prot.21452 · PubMed

Other PDB entries of the same protein (UniProt P62894 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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