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25  structures 5140  species 0  interactions 6958  sequences 52  architectures

Family: NUDIX_4 (PF14815)

Summary: NUDIX domain

Pfam includes annotations and additional family information from a range of different sources. These sources can be accessed via the tabs below.

This is the Wikipedia entry entitled "Nudix family". More...

Nudix family Edit Wikipedia article

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This tab holds the annotation information that is stored in the Pfam database. As we move to using Wikipedia as our main source of annotation, the contents of this tab will be gradually replaced by the Wikipedia tab.

NUDIX domain Provide feedback

No Pfam abstract.

Internal database links

This tab holds annotation information from the InterPro database.

InterPro entry IPR029119

Adenine DNA glycosylase (called MutY in bacteria and hMYH in humans) initiates repair of A-oxoG to C-G by removing the inappropriately paired adenine base from the DNA backbone. MutY belongs to a structural superfamily of proteins (the NUDIX hydrolase superfamily) that hydrolyse a wide range of organic pyrophosphates [ PUBMED:16378245 ].

Enzymes belonging to this superfamily require a divalent cation, such as Mg2+ or Mn2+ for their activity. They are also recognized by a highly conserved 23-residue nudix motif (GX5EX7REUXEEXGU, where U = I, L or V). However, DNA glycosylase does not seem to contain this signature motif. DNA glycosylase consists of 2 domains: the N-terminal domain contains the catalytic properties of the enzyme and the C-terminal domain affects substrate (oxoG) binding and enzymatic turnover. The C-terminal domain is highly similar to MutT, based on secondary structure and topology, despite low sequence identity. MutT sanitizes the nucleotide precursor pool by hydrolyzing oxo-dGTP to oxo-dGMO and inorganic pyrophosphate. The similarity strongly suggests that the two proteins share a common evolutionary origin [ PUBMED:11554314 , PUBMED:15465463 , PUBMED:15102448 , PUBMED:14618256 , PUBMED:10858279 , PUBMED:10350454 , PUBMED:15056851 ].

This entry represents the C-terminal domain of MutY. Its structure is similar to the NUDIX fold, which is an alpha/beta/alpha sandwich [ PUBMED:10858279 , PUBMED:16378245 ].

Domain organisation

Below is a listing of the unique domain organisations or architectures in which this domain is found. More...

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Pfam Clan

This family is a member of clan NUDIX (CL0261), which has the following description:

This superfamily contains the NUDIX family and one related family.

The clan contains the following 9 members:

DUF4743 DUF4916 Hexose_dehydrat MRP-L46 NUDIX NUDIX-like NUDIX_2 NUDIX_4 NUDIX_5

Alignments

We store a range of different sequence alignments for families. As well as the seed alignment from which the family is built, we provide the full alignment, generated by searching the sequence database (reference proteomes) using the family HMM. We also generate alignments using four representative proteomes (RP) sets and the UniProtKB sequence database. More...

View options

We make a range of alignments for each Pfam-A family. You can see a description of each above. You can view these alignments in various ways but please note that some types of alignment are never generated while others may not be available for all families, most commonly because the alignments are too large to handle.

  Seed
(384)
Full
(6958)
Representative proteomes UniProt
(31444)
RP15
(903)
RP35
(3255)
RP55
(6919)
RP75
(11865)
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PP/heatmap 1            

1Cannot generate PP/Heatmap alignments for seeds; no PP data available

Key: ✓ available, x not generated, not available.

Format an alignment

  Seed
(384)
Full
(6958)
Representative proteomes UniProt
(31444)
RP15
(903)
RP35
(3255)
RP55
(6919)
RP75
(11865)
Alignment:
Format:
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Sequence:
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Download options

We make all of our alignments available in Stockholm format. You can download them here as raw, plain text files or as gzip-compressed files.

  Seed
(384)
Full
(6958)
Representative proteomes UniProt
(31444)
RP15
(903)
RP35
(3255)
RP55
(6919)
RP75
(11865)
Raw Stockholm Download   Download   Download   Download   Download   Download   Download  
Gzipped Download   Download   Download   Download   Download   Download   Download  

You can also download a FASTA format file containing the full-length sequences for all sequences in the full alignment.

HMM logo

HMM logos is one way of visualising profile HMMs. Logos provide a quick overview of the properties of an HMM in a graphical form. You can see a more detailed description of HMM logos and find out how you can interpret them here. More...

Trees

This page displays the phylogenetic tree for this family's seed alignment. We use FastTree to calculate neighbour join trees with a local bootstrap based on 100 resamples (shown next to the tree nodes). FastTree calculates approximately-maximum-likelihood phylogenetic trees from our seed alignment.

Note: You can also download the data file for the tree.

Curation and family details

This section shows the detailed information about the Pfam family. You can see the definitions of many of the terms in this section in the glossary and a fuller explanation of the scoring system that we use in the scores section of the help pages.

Curation View help on the curation process

Seed source: CATH:3fsp_A_03
Previous IDs: none
Type: Domain
Sequence Ontology: SO:0000417
Author: Coggill P
Number in seed: 384
Number in full: 6958
Average length of the domain: 116.90 aa
Average identity of full alignment: 21 %
Average coverage of the sequence by the domain: 33.55 %

HMM information View help on HMM parameters

HMM build commands:
build method: hmmbuild -o /dev/null HMM SEED
search method: hmmsearch -Z 57096847 -E 1000 --cpu 4 HMM pfamseq
Model details:
Parameter Sequence Domain
Gathering cut-off 35.0 35.0
Trusted cut-off 35.0 35.0
Noise cut-off 34.9 34.9
Model length: 109
Family (HMM) version: 8
Download: download the raw HMM for this family

Species distribution

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Selections

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This visualisation provides a simple graphical representation of the distribution of this family across species. You can find the original interactive tree in the adjacent tab. More...

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Structures

For those sequences which have a structure in the Protein DataBank, we use the mapping between UniProt, PDB and Pfam coordinate systems from the PDBe group, to allow us to map Pfam domains onto UniProt sequences and three-dimensional protein structures. The table below shows the structures on which the NUDIX_4 domain has been found. There are 25 instances of this domain found in the PDB. Note that there may be multiple copies of the domain in a single PDB structure, since many structures contain multiple copies of the same protein sequence.

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