---
name: "SWISS::CCs"
section: "3pm"
platform: "linux"
package: "libswiss-perl"
version: "1.80-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SWISS::CCs"
---

# SWISS::CCs(3pm)

## Name

SWISS::CCs

## Description

**SWISS::CCs** represents the CC lines within a Swiss-Prot or TrEMBL entry as specified in the user manual\
  http://www.expasy.org/sprot/userman.html . The CCs object is a  container object which holds a list comprised of object of the type SWISS::CC or derived classes (see below).

**Code example**

local $/="\\n//\\n";

while (\<\>) {

```
  my $entry = SWISS::Entry-> fromText($_);
  my @CCs = $entry -> CCs -> elements();

  for my $CC (@CCs) {

    if ($CC -> topic eq 'ALTERNATIVE PRODUCTS') {

      # now can call methods of CCalt_prod

    } elsif ($CC -> topic eq 'Copyright') {

      # now can call methods of CCcopyright

    } else {

      # now can call methods of CC
    }
  }
}
```

## Inherits from

SWISS::ListBase.pm

## Attributes

- "list"

  Each list element is an object of one of the following classes, depending of the type of comment:

  ```
   topic                           object
   --------------------            --------------------
   ALTERNATIVE PRODUCTS            SWISS::CCalt_prod
   RNA EDITING                     SWISS::CCrna_editing
   BIOPHYSICOCHEMICAL PROPERTIES   SWISS::CCbpc_properties
   INTERACTION                     SWISS::CCinteraction
   COFACTOR                        SWISS::CCcofactor
   DISEASE                         SWISS::CCdisease
   SEQUENCE CAUTION                SWISS::CCseq_caution
   SUBCELLULAR LOCATION            SWISS::CCsubcell_location
   Copyright                       SWISS::CCcopyright
   (all other topics)              SWISS::CC
  ```

## Methods

### Standard methods

- new

  - fromText

  - sort

  Sort the CC block according to the order given in Swiss-Prot annotation note ANN017.

- toText

  - update

  ### Reading/Writing methods

- ccTopic ($topic)

  Returns true if entry contains a comment block with the specified topic.

- copyright

  Returns a string representation of the copyright text.

- del (@patternList)

  Deletes all comment elements whose topic matches the first element of the pattern list.  The second element is the used to specify a requirement for the comment to match as well.

- get (@patternList)

  An array is returned consisting of all comment elements elements whose topic matches any elements of the pattern list.

- getObject (@patternList)

  Same as get, but returns the results wrapped in a new ListBase object.

- toString

  Returns a string representation of the CCs object.