- FASTA Sequence
- mmCIF Format
- mmCIF Format (Header)
- Legacy PDB Format
- Legacy PDB Format (Header)
- More on PDB File Formats
CA: CALCIUM ION
No ligand validation data is available for CA
Find PDB structures and Computed Structure Models (CSM) by combining queries from tools in this suite: Attribute Search, Sequence Similarity, Sequence Motif, 3D Similarity, and 3D Motif with 'AND' logic.
Find structures that contain a similar nucleotide or protein sequence using the MMseqs2 method.
Find small molecules by combining queries from the tools in this suite: Chemical Attributes and Chemical Similarity Search with 'AND' logic.
Find PDB structures using annotations from various ontologies and hierarchical classification schemes, e.g. Disease Ontology, Molecular Function.