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41  structures 4516  species 4  interactions 7968  sequences 95  architectures

Clan: AlbA (CL0441)


RNA-DNA binding Alba-like superfamily Add an annotation

This is a family of DNA and RNA binding proteins found from archaea to humans.

This clan contains 3 families and the total number of domains in the clan is 7968. The clan was built by P Coggill.


This clan contains the following 3 member families:

Alba AlbA_2 Rpp20

External database links

Domain organisation

Below is a listing of the unique domain organisations or architectures from this clan. More...

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The table below shows the number of occurrences of each domain throughout the sequence database. More...

Pfam family Num. domains Alignment
AlbA_2 (PF04326) 6407 (80.4%) View
Alba (PF01918) 1271 (16.0%) View
Rpp20 (PF12328) 290 (3.6%) View
Total: 3 Total: 7968 Clan alignment

Please note: Clan alignments can be very large and can cause problems for some browsers. Read the note above before viewing.

Family relationships

This diagram shows the relationships between members of this clan. More...

Species distribution

Tree controls


This tree shows the occurrence of the domains in this clan across different species. More...



There are 4 interactions for this clan. More...

Interacting families
Alba Alba
AlbA_2 AlbA_2


For those sequences which have a structure in the Protein DataBank, we use the mapping between UniProt, PDB and Pfam coordinate systems from the MSD group, to allow us to map Pfam domains onto UniProt three-dimensional structures. The table below shows the mapping between the Pfam families in this clan, the corresponding UniProt entries, and the region of the three-dimensional structures that are available for that sequence.

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