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CATH Data Downloads

This page provides information on the data files that are available to download from the CATH FTP site.

ftp://orengoftp.biochem.ucl.ac.uk/cath

CATH (daily snapshot)

We provide a daily snapshot of the very latest classifications and annotations as they happen in our pipeline. This enables users to find the most up-to-date information about their particular structure of interest. The amount of data we provide at this stage is limited mainly to domain boundaries and superfamily classification.

ftp://orengoftp.biochem.ucl.ac.uk/cath/releases/daily-release/newest/

File name Description
cath-b-newest-all.gz List the latest domain boundaries and superfamily (C.A.T.H) annotations for all CATH domains
cath-b-newest-names.gz Provides the names for each node in the CATH hierarchy
cath-b-newest-latest-release.gz List the latest domain boundaries and superfamily annotations for CATH domains in the most recent release of CATH-Plus
cath-b-newest-putative.gz List the latest domain boundaries and superfamily annotations for CATH domains released since the most release release of CATH-Plus
cath-b-s35-newest.gz List the latest domain boundaries and sequence family (C.A.T.H.S) annotations for all non-redundant sequence representatives

CATH-Plus (full release)

ftp://orengoftp.biochem.ucl.ac.uk/cath/releases/latest-release/

CATH-Plus adds a significant amount of data on top of the core classification information available in CATH. The CATH-Plus release process includes a number of manual annotation checks in addition to adding a huge amount of information combining protein structure, sequence and function. As a result, there is a greater depth of information available in CATH-Plus, though it may be missing information on the most recent structures.

For information on the statistics for specific releases, see release notes.

CATH classification data

ftp://orengoftp.biochem.ucl.ac.uk/cath/releases/latest-release/cath-classification-data/

File name Description
cath-chain-list-<version>.txt Lists all of the PDB chain IDs in CATH, whether they are chopped into domains or not.
cath-domain-boundaries-*-<version>.txt Description of domain and segment boundaries for domains classified into CATH.
cath-domain-description-file-<version>.txt Description of each protein domain in CATH
cath-domain-list-<S35%|S60|S95|S100|all>-<version>.txt Lists of domains classified into CATH
cath-domain-pdb-*-<version>.txt Description of each domain PDB classified into CATH
cath-names-<version>.txt Name description of each node in the CATH hierarchy, along with an example domain
cath-superfamily-list-<version>.txt List of all the superfamilies in the CATH hierarchy
cath-unclassified-list-<version>.txt List of all unclassified protein chains and domains that are still being processed

Non-redundant data sets

ftp://orengoftp.biochem.ucl.ac.uk/cath/releases/latest-release/non-redundant-data-sets/

File name Description
cath-dataset-nonredundant-S[20|40]-v4_1_0.atom.fa The ATOM sequences of the domains in the dataset (which only contain residues that have ATOM records in the PDB file)
cath-dataset-nonredundant-S[20|40]-v4_1_0.fa The sequences of the domains in the dataset
cath-dataset-nonredundant-S[20|40]-v4_1_0.list A list of the domains in the dataset; one domain ID per line
cath-dataset-nonredundant-S[20|40]-v4_1_0.pdb.tgz (A gzipped tar file containing) the PDB files of the domains in the data set

Sequence data

ftp://orengoftp.biochem.ucl.ac.uk/cath/releases/latest-release/sequence-data/

File name Description
cath-domain-seqs-*-<version>.fa Sequences for each CATH domain
cath-S35-<version>-hmm3.lib.gz HMMs for each CATH representative domain from the sequence clusters at 35% sequence identity
funfam-hmm3-<version>.lib.gz HMMs for each functional family (FunFam)
cath-superfamily-seqs-<superfamily>-<version>.fa Sequences for each CATH superfamily in FASTA format
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