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UniProtKB - P77247 (HXPB_ECOLI)

Entry version 156 (07 Apr 2021)
Sequence version 1 (01 Feb 1997)
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Protein

Hexitol phosphatase B

Gene

hxpB

Organism
Escherichia coli (strain K12)
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

Sugar-phosphate phosphohydrolase that catalyzes the dephosphorylation of D-mannitol 1-phosphate and D-sorbitol 6-phosphate (PubMed:27941785). Also catalyzes the dephosphorylation of 2-deoxyglucose 6-phosphate (2dGlu6P); this is a biologically important activity in vivo since it contributes to the elimination of this toxic compound and plays an important role in the resistance of E.coli to 2-deoxyglucose (PubMed:16990279). To a lesser extent, is also able to dephosphorylate mannose 6-phosphate (Man6P), erythrose-4-phosphate, 2-deoxyribose-5-phosphate (2dRib5P), ribose-5-phosphate (Rib5P) and glucose-6-phosphate (Glu6P) in vitro (PubMed:16990279).3 Publications

<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 'Function' section provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

Mg2+1 Publication, Mn2+1 Publication, Co2+1 Publication, Zn2+1 PublicationNote: Requires the presence of a divalent metal cation for activity. Can use zinc, manganese, cobalt or magnesium.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 33 sec(-1) with 2-deoxyglucose-6-P as substrate. kcat is 11 sec(-1) with mannose-6-P as substrate. kcat is 9.4 sec(-1) with 2-deoxyribose-5-P as substrate. kcat is 2.8 sec(-1) with ribose-5-P as substrate. kcat is 25 sec(-1) with glucose-6-P as substrate.1 Publication
  1. KM=0.61 mM for 2-deoxyglucose-6-P (with manganese ions as cofactor and at pH 9)1 Publication
  2. KM=2.5 mM for 2-deoxyribose-5-P (with zinc ions as cofactor and at pH 9)1 Publication
  3. KM=2.6 mM for ribose-5-P (with zinc ions as cofactor and at pH 9)1 Publication
  4. KM=3.6 mM for glucose-6-P (with zinc ions as cofactor and at pH 9)1 Publication
  5. KM=4.7 mM for mannose-6-P (with zinc ions as cofactor and at pH 9)1 Publication

    pH dependencei

    Optimum pH is between 6 and 7.5.1 Publication

    Sites

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    <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 sitei13NucleophileBy similarity1
    <p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the 'Description' field.<p><a href='/help/metal' target='_top'>More...</a></p>Metal bindingi13Divalent metal cation1 Publication1
    Active sitei15Proton donorBy similarity1
    Metal bindingi15Divalent metal cation; via carbonyl oxygen1 Publication1
    <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 sitei148Substrate1 Publication1
    Metal bindingi173Divalent metal cation1 Publication1

    <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 functionHydrolase
    Biological processCarbohydrate metabolism
    LigandCobalt, Magnesium, Manganese, Metal-binding, Zinc

    Enzyme and pathway databases

    BioCyc Collection of Pathway/Genome Databases

    More...    BioCyci    		EcoCyc:G6932-MONOMER
    MetaCyc:G6932-MONOMER

    <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:
    Hexitol phosphatase B1 Publication
    Alternative name(s):
    2-deoxyglucose-6-phosphate phosphatase1 Publication (EC:3.1.3.681 Publication)
    Mannitol-1-phosphatase1 Publication (EC:3.1.3.221 Publication)
    Sorbitol-6-phosphatase1 Publication (EC:3.1.3.501 Publication)
    Sugar-phosphatase1 Publication (EC:3.1.3.231 Publication)
    <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:hxpB1 Publication
    Synonyms:yniCImported
    Ordered Locus Names:b1727, JW1716
    <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>OrganismiEscherichia coli (strain K12)
    <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 identifieri83333 [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 › Proteobacteria › Gammaproteobacteria › Enterobacterales › Enterobacteriaceae › Escherichia ›
    <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
    • UP000000318 <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
    • UP000000625 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

    <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

    <p>This subsection of the 'Pathology and Biotech' section describes the in vivo effects caused by ablation of the gene (or one or more transcripts) coding for the protein described in the entry. This includes gene knockout and knockdown, provided experiments have been performed in the context of a whole organism or a specific tissue, and not at the single-cell level.<p><a href='/help/disruption_phenotype' target='_top'>More...</a></p>Disruption phenotypei

    Cells lacking this gene are much more sensitive to the presence of 2-deoxyglucose in the growth medium than wild-type.1 Publication

    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>Mutagenesisi13D → A: Loss of phosphatase activity. 1 Publication1

    <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_00001080611 – 222Hexitol phosphatase BAdd BLAST222

    Proteomic databases

    jPOST - Japan Proteome Standard Repository/Database

    More...    jPOSTi    		P77247

    PaxDb, a database of protein abundance averages across all three domains of life

    More...    PaxDbi    		P77247

    PRoteomics IDEntifications database

    More...    PRIDEi    		P77247

    2D gel databases

    Two-dimensional polyacrylamide gel electrophoresis database from the Geneva University Hospital

    More...    SWISS-2DPAGEi    		P77247

    <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

    Protein-protein interaction databases

    The Biological General Repository for Interaction Datasets (BioGRID)

    More...    BioGRIDi    		4263414, 9 interactors

    Database of interacting proteins

    More...    DIPi    		DIP-12777N

    Protein interaction database and analysis system

    More...    IntActi    		P77247, 8 interactors

    STRING: functional protein association networks

    More...    STRINGi    		511145.b1727

    <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

    1222
    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    		P77247

    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    		P77247

    <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

    Region

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    <p>This subsection of the 'Family and Domains' section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni13 – 15Substrate binding1 Publication3
    Regioni115 – 116Substrate binding1 Publication2

    <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 HAD-like hydrolase superfamily. CbbY/CbbZ/Gph/YieH family.Curated

    Phylogenomic databases

    evolutionary genealogy of genes: Non-supervised Orthologous Groups

    More...    eggNOGi    		COG0637, Bacteria

    The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

    More...    HOGENOMi    		CLU_045011_13_1_6

    InParanoid: Eukaryotic Ortholog Groups

    More...    InParanoidi    		P77247

    Database for complete collections of gene phylogenies

    More...    PhylomeDBi    		P77247

    Family and domain databases

    Gene3D Structural and Functional Annotation of Protein Families

    More...    Gene3Di    		1.10.150.240, 1 hit
    3.40.50.1000, 1 hit

    Integrated resource of protein families, domains and functional sites

    More...    InterProi    		View protein in InterPro
    IPR036412, HAD-like_sf
    IPR006439, HAD-SF_hydro_IA
    IPR041492, HAD_2
    IPR023214, HAD_sf
    IPR023198, PGP-like_dom2

    Pfam protein domain database

    More...    Pfami    		View protein in Pfam
    PF13419, HAD_2, 1 hit

    Protein Motif fingerprint database; a protein domain database

    More...    PRINTSi    		PR00413, HADHALOGNASE

    Superfamily database of structural and functional annotation

    More...    SUPFAMi    		SSF56784, SSF56784, 1 hit

    TIGRFAMs; a protein family database

    More...    TIGRFAMsi    		TIGR01509, HAD-SF-IA-v3, 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.

    P77247-1 [UniParc]FASTAAdd to basket
    « Hide
            10         20         30         40         50
    MSTPRQILAA IFDMDGLLID SEPLWDRAEL DVMASLGVDI SRRNELPDTL 
            60         70         80         90        100
    GLRIDMVVDL WYARQPWNGP SRQEVVERVI ARAISLVEET RPLLPGVREA 
           110        120        130        140        150
    VALCKEQGLL VGLASASPLH MLEKVLTMFD LRDSFDALAS AEKLPYSKPH 
           160        170        180        190        200
    PQVYLDCAAK LGVDPLTCVA LEDSVNGMIA SKAARMRSIV VPAPEAQNDP 
           210        220 
    RFVLADVKLS SLTELTAKDL LG
    Length:222
    Mass (Da):24,330
    Last modified:February 1, 1997 - 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:i76FE1F2A331476A7
    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
    		U00096 Genomic DNA Translation: AAC74797.1
    AP009048 Genomic DNA Translation: BAA15508.1

    Protein sequence database of the Protein Information Resource

    More...    PIRi    		G64931

    NCBI Reference Sequences

    More...    RefSeqi    		NP_416241.1, NC_000913.3
    WP_000106833.1, NZ_SSZK01000001.1

    Genome annotation databases

    Ensembl bacterial and archaeal genome annotation project

    More...    EnsemblBacteriai    		AAC74797; AAC74797; b1727
    BAA15508; BAA15508; BAA15508

    Database of genes from NCBI RefSeq genomes

    More...    GeneIDi    		57731123
    945632

    KEGG: Kyoto Encyclopedia of Genes and Genomes

    More...    KEGGi    		ecj:JW1716
    eco:b1727

    Pathosystems Resource Integration Center (PATRIC)

    More...    PATRICi    		fig|1411691.4.peg.529

    <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
    		U00096 Genomic DNA Translation: AAC74797.1
    AP009048 Genomic DNA Translation: BAA15508.1
    PIRiG64931
    RefSeqiNP_416241.1, NC_000913.3
    WP_000106833.1, NZ_SSZK01000001.1

    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
    1TE2X-ray1.76A/B1-222[»]
    SMRiP77247
    ModBaseiSearch...
    PDBe-KBiSearch...

    Protein-protein interaction databases

    BioGRIDi4263414, 9 interactors
    DIPiDIP-12777N
    IntActiP77247, 8 interactors
    STRINGi511145.b1727

    2D gel databases

    SWISS-2DPAGEiP77247

    Proteomic databases

    jPOSTiP77247
    PaxDbiP77247
    PRIDEiP77247

    Genome annotation databases

    EnsemblBacteriaiAAC74797; AAC74797; b1727
    BAA15508; BAA15508; BAA15508
    GeneIDi57731123
    945632
    KEGGiecj:JW1716
    eco:b1727
    PATRICifig|1411691.4.peg.529

    Organism-specific databases

    EchoBASE - an integrated post-genomic database for E. coli

    More...    EchoBASEi    		EB3744

    Phylogenomic databases

    eggNOGiCOG0637, Bacteria
    HOGENOMiCLU_045011_13_1_6
    InParanoidiP77247
    PhylomeDBiP77247

    Enzyme and pathway databases

    BioCyciEcoCyc:G6932-MONOMER
    MetaCyc:G6932-MONOMER

    Miscellaneous databases

    EvolutionaryTraceiP77247

    Protein Ontology

    More...    PROi    		PR:P77247

    Family and domain databases

    Gene3Di1.10.150.240, 1 hit
    3.40.50.1000, 1 hit
    InterProiView protein in InterPro
    IPR036412, HAD-like_sf
    IPR006439, HAD-SF_hydro_IA
    IPR041492, HAD_2
    IPR023214, HAD_sf
    IPR023198, PGP-like_dom2
    PfamiView protein in Pfam
    PF13419, HAD_2, 1 hit
    PRINTSiPR00413, HADHALOGNASE
    SUPFAMiSSF56784, SSF56784, 1 hit
    TIGRFAMsiTIGR01509, HAD-SF-IA-v3, 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 nameiHXPB_ECOLI
    <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: P77247
    Secondary accession number(s): P78167
    <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: July 15, 1998
    Last sequence update: February 1, 1997
    Last modified: April 7, 2021
    This is version 156 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. PDB cross-references
      Index of Protein Data Bank (PDB) cross-references
    2. SIMILARITY comments
      Index of protein domains and families
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