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UniProtKB - Q9X1K9 (DAPA_THEMA)

Entry version 140 (07 Apr 2021)
Sequence version 1 (01 Nov 1999)
Previous versions | rss
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Protein

4-hydroxy-tetrahydrodipicolinate synthase

Gene

dapA

Organism
Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Catalyzes the condensation of (S)-aspartate-beta-semialdehyde [(S)-ASA] and pyruvate to 4-hydroxy-tetrahydrodipicolinate (HTPA).1 Publication

Caution

Was originally thought to be a dihydrodipicolinate synthase (DHDPS), catalyzing the condensation of (S)-aspartate-beta-semialdehyde [(S)-ASA] and pyruvate to dihydrodipicolinate (DHDP). However, it was shown in E.coli that the product of the enzymatic reaction is not dihydrodipicolinate but in fact (4S)-4-hydroxy-2,3,4,5-tetrahydro-(2S)-dipicolinic acid (HTPA), and that the consecutive dehydration reaction leading to DHDP is not spontaneous but catalyzed by DapB.Curated

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes regulatory mechanisms for enzymes, transporters or microbial transcription factors, and reports the components which regulate (by activation or inhibition) the reaction.<p><a href='/help/activity_regulation' target='_top'>More...</a></p>Activity regulationi

Is not inhibited by (S)-lysine, in contrast to E.coli DapA.1 Publication

<p>This subsection of the 'Function' section describes biophysical and chemical properties, such as maximal absorption, kinetic parameters, pH dependence, redox potentials and temperature dependence.<p><a href='/help/biophysicochemical_properties' target='_top'>More...</a></p>Kineticsi

kcat is 136 sec(-1) and 465 sec (-1) at 30 and 45 degrees Celsius, respectively.1 Publication
  1. KM=0.053 mM for pyruvate (at 30 degrees Celsius)1 Publication
  2. KM=0.08 mM for pyruvate (at 30 degrees Celsius)1 Publication
  3. KM=0.15 mM for pyruvate (at 45 degrees Celsius)1 Publication
  4. KM=0.16 mM for L-aspartate-4-semialdehyde (at 30 degrees Celsius)1 Publication
  5. KM=0.23 mM for L-aspartate-4-semialdehyde (at 30 degrees Celsius)1 Publication
  6. KM=0.36 mM for L-aspartate-4-semialdehyde (at 45 degrees Celsius)1 Publication
  1. Vmax=1.01 µmol/sec/mg enzyme (at 30 degrees Celsius)1 Publication

Temperature dependencei

Highly thermostable. Retains over 60% of the activity after 7 hours incubation at 90 degrees Celsius.1 Publication

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: L-lysine biosynthesis via DAP pathway

This protein is involved in step 3 of the subpathway that synthesizes (S)-tetrahydrodipicolinate from L-aspartate.UniRule annotation
Proteins known to be involved in the 4 steps of the subpathway in this organism are:
  1. Aspartokinase (TM_1518), Aspartokinase (Tmari_0544), Aspartokinase (Tmari_1526), Aspartokinase (TM_0547)
  2. no protein annotated in this organism
  3. 4-hydroxy-tetrahydrodipicolinate synthase (dapA), 4-hydroxy-tetrahydrodipicolinate synthase (dapA)
  4. 4-hydroxy-tetrahydrodipicolinate reductase (dapB), 4-hydroxy-tetrahydrodipicolinate reductase (dapB)
This subpathway is part of the pathway L-lysine biosynthesis via DAP pathway, which is itself part of Amino-acid biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes (S)-tetrahydrodipicolinate from L-aspartate, the pathway L-lysine biosynthesis via DAP pathway and in Amino-acid biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections ('Function', 'PTM / Processing', 'Pathology and Biotech') according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei43Part of a proton relay during catalysisUniRule annotation1
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei44PyruvateUniRule annotation1
Sitei106Part of a proton relay during catalysisUniRule annotation1
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei132Proton donor/acceptorUniRule annotation1
Active sitei161Schiff-base intermediate with substrateUniRule annotation1
Binding sitei206Pyruvate; via carbonyl oxygenUniRule annotation1

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

Complete GO annotation on QuickGO ...

GO - Biological processi

Complete GO annotation on QuickGO ...

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionLyase
Biological processAmino-acid biosynthesis, Diaminopimelate biosynthesis, Lysine biosynthesis
LigandSchiff base

Enzyme and pathway databases

BRENDA Comprehensive Enzyme Information System

More...BRENDAi		4.3.3.7, 6331

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...UniPathwayi		UPA00034;UER00017

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
4-hydroxy-tetrahydrodipicolinate synthaseUniRule annotation (EC:4.3.3.7UniRule annotation)
Short name:
HTPA synthaseUniRule annotation
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:dapAUniRule annotation
Ordered Locus Names:TM_1521
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiThermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri243274 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiBacteria › Thermotogae › Thermotogales › Thermotogaceae › Thermotoga ›
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000008183 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Keywords - Cellular componenti

Cytoplasm

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/manual/pathology%5Fand%5Fbiotech%5Fsection">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi166 – 168DID → AAA: Exists as a monomer in solution. Decreased activity and substrate affinity. Reduced thermal stability. 1 Publication3

Chemistry databases

Drug and drug target database

More...DrugBanki		DB02370, Nz-(1-Carboxyethyl)-Lysine

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001031751 – 2944-hydroxy-tetrahydrodipicolinate synthaseAdd BLAST294

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction%5Fsection">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homotetramer; dimer of dimers.

UniRule annotation2 Publications

Protein-protein interaction databases

STRING: functional protein association networks

More...STRINGi		243274.THEMA_06695

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

Secondary structure

1294
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...SMRi		Q9X1K9

Database of comparative protein structure models

More...ModBasei		Search...

Protein Data Bank in Europe - Knowledge Base

More...PDBe-KBi		Search...

Miscellaneous databases

Relative evolutionary importance of amino acids within a protein sequence

More...EvolutionaryTracei		Q9X1K9

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

<p>This subsection of the 'Family and domains' section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the DapA family.UniRule annotation

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		COG0329, Bacteria

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		Q9X1K9

Identification of Orthologs from Complete Genome Data

More...OMAi		GMDACVP

Database of Orthologous Groups

More...OrthoDBi		1438588at2

Family and domain databases

Conserved Domains Database

More...CDDi		cd00950, DHDPS, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		3.20.20.70, 1 hit

HAMAP database of protein families

More...HAMAPi		MF_00418, DapA, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR013785, Aldolase_TIM
IPR005263, DapA
IPR002220, DapA-like
IPR020625, Schiff_base-form_aldolases_AS
IPR020624, Schiff_base-form_aldolases_CS

The PANTHER Classification System

More...PANTHERi		PTHR12128, PTHR12128, 1 hit

Pfam protein domain database

More...Pfami		View protein in Pfam
PF00701, DHDPS, 1 hit

PIRSF; a whole-protein classification database

More...PIRSFi		PIRSF001365, DHDPS, 1 hit

Protein Motif fingerprint database; a protein domain database

More...PRINTSi		PR00146, DHPICSNTHASE

Simple Modular Architecture Research Tool; a protein domain database

More...SMARTi		View protein in SMART
SM01130, DHDPS, 1 hit

TIGRFAMs; a protein family database

More...TIGRFAMsi		TIGR00674, dapA, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS00665, DHDPS_1, 1 hit
PS00666, DHDPS_2, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

Q9X1K9-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MFRGVGTAIV TPFKNGELDL ESYERLVRYQ LENGVNALIV LGTTGESPTV 
        60         70         80         90        100
NEDEREKLVS RTLEIVDGKI PVIVGAGTNS TEKTLKLVKQ AEKLGANGVL 
       110        120        130        140        150
VVTPYYNKPT QEGLYQHYKY ISERTDLGIV VYNVPGRTGV NVLPETAARI 
       160        170        180        190        200
AADLKNVVGI KEANPDIDQI DRTVSLTKQA RSDFMVWSGN DDRTFYLLCA 
       210        220        230        240        250
GGDGVISVVS NVAPKQMVEL CAEYFSGNLE KSREVHRKLR PLMKALFVET 
       260        270        280        290 
NPIPVKAALN LMGFIENELR LPLVPASEKT VELLRNVLKE SGLL
Length:294
Mass (Da):32,390
Last modified:November 1, 1999 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i64C93C64734A351D
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...EMBLi

GenBank nucleotide sequence database

More...GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...DDBJi
Links Updated
AE000512 Genomic DNA Translation: AAD36588.1

Protein sequence database of the Protein Information Resource

More...PIRi		B72246

NCBI Reference Sequences

More...RefSeqi		NP_229321.1, NC_000853.1
WP_004081879.1, NZ_CP011107.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...EnsemblBacteriai		AAD36588; AAD36588; TM_1521

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		tma:TM1521

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE000512 Genomic DNA Translation: AAD36588.1
PIRiB72246
RefSeqiNP_229321.1, NC_000853.1
WP_004081879.1, NZ_CP011107.1

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...PDBei

Protein Data Bank RCSB

More...RCSB PDBi

Protein Data Bank Japan

More...PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1O5KX-ray1.80A/B1-294[»]
3PB0X-ray2.00A/B/C/D1-294[»]
3PB2X-ray1.90A/B/C/D/E/F1-294[»]
SMRiQ9X1K9
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

STRINGi243274.THEMA_06695

Chemistry databases

DrugBankiDB02370, Nz-(1-Carboxyethyl)-Lysine

Genome annotation databases

EnsemblBacteriaiAAD36588; AAD36588; TM_1521
KEGGitma:TM1521

Phylogenomic databases

eggNOGiCOG0329, Bacteria
InParanoidiQ9X1K9
OMAiGMDACVP
OrthoDBi1438588at2

Enzyme and pathway databases

UniPathwayiUPA00034;UER00017
BRENDAi4.3.3.7, 6331

Miscellaneous databases

EvolutionaryTraceiQ9X1K9

Family and domain databases

CDDicd00950, DHDPS, 1 hit
Gene3Di3.20.20.70, 1 hit
HAMAPiMF_00418, DapA, 1 hit
InterProiView protein in InterPro
IPR013785, Aldolase_TIM
IPR005263, DapA
IPR002220, DapA-like
IPR020625, Schiff_base-form_aldolases_AS
IPR020624, Schiff_base-form_aldolases_CS
PANTHERiPTHR12128, PTHR12128, 1 hit
PfamiView protein in Pfam
PF00701, DHDPS, 1 hit
PIRSFiPIRSF001365, DHDPS, 1 hit
PRINTSiPR00146, DHPICSNTHASE
SMARTiView protein in SMART
SM01130, DHDPS, 1 hit
TIGRFAMsiTIGR00674, dapA, 1 hit
PROSITEiView protein in PROSITE
PS00665, DHDPS_1, 1 hit
PS00666, DHDPS_2, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...ProtoNeti		Search...

MobiDB: a database of protein disorder and mobility annotations

More...MobiDBi		Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiDAPA_THEMA
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q9X1K9
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 30, 2000
Last sequence update: November 1, 1999
Last modified: April 7, 2021
This is version 140 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

<p>This section contains any relevant information that doesn't fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

3D-structure, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  3. SIMILARITY comments
    Index of protein domains and families
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