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Entry version 132 (08 May 2019)
Sequence version 2 (01 Feb 2005)
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Protein

Beta-crystallin A3

Gene

Cryba1

Organism
Rattus norvegicus (Rat)
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

Crystallins are the dominant structural components of the vertebrate eye lens.

<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

GO - Biological processi

<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 functionEye lens protein

<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_and_taxonomy_section">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
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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:Cryba1
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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>OrganismiRattus norvegicus (Rat)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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 identifieri10116 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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
  • UP000002494 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">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 10

Organism-specific databases

Rat genome database

More...
RGDi
2415 Cryba1

<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

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

<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.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00000063331 – 215Beta-crystallin A3Add BLAST215
ChainiPRO_000022669523 – 215Beta-crystallin A3, isoform A1, Delta4 formAdd BLAST193
ChainiPRO_000022669626 – 215Beta-crystallin A3, isoform A1, Delta7 formAdd BLAST190
ChainiPRO_000022669727 – 215Beta-crystallin A3, isoform A1, Delta8 formAdd BLAST189
Isoform A1 (identifier: P14881-2)
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section indicates that the initiator methionine is cleaved from the mature protein.<p><a href='/help/init_met' target='_top'>More...</a></p>Initiator methionineiRemovedBy similarity

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei1N-acetylmethionineBy similarity1
Modified residuei82S-glutathionyl cysteine; alternateBy similarity1
Modified residuei82S-methylcysteine; alternateBy similarity1
Modified residuei117S-glutathionyl cysteine; alternateBy similarity1
Modified residuei117S-methylcysteine; alternateBy similarity1
Modified residuei137Omega-N-methylated arginineBy similarity1
Isoform A1 (identifier: P14881-2)
Modified residuei2N-acetylalanine By similarityBy similarity1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Specific cleavages in the N-terminal arm occur during lens maturation and give rise to several truncated forms.By similarity
The initiator methionine for isoform A1 is removed. The new N-terminal amino acid is then N-acetylated (By similarity).By similarity

Keywords - PTMi

Acetylation, Glutathionylation, Methylation

Proteomic databases

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

More...
PaxDbi
P14881

PRoteomics IDEntifications database

More...
PRIDEi
P14881

PTM databases

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
P14881

Miscellaneous databases

CutDB - Proteolytic event database

More...
PMAP-CutDBi
P14881

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSRNOG00000008700 Expressed in 9 organ(s), highest expression level in heart

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P14881 RN

<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_section">'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_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homo/heterodimer, or complexes of higher-order. The structure of beta-crystallin oligomers seems to be stabilized through interactions between the N-terminal arms (By similarity).By similarity

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000011608

<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

3D structure databases

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

More...
SMRi
P14881

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<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

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family_and_domains_section">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini31 – 70Beta/gamma crystallin 'Greek key' 1PROSITE-ProRule annotationAdd BLAST40
Domaini71 – 117Beta/gamma crystallin 'Greek key' 2PROSITE-ProRule annotationAdd BLAST47
Domaini124 – 165Beta/gamma crystallin 'Greek key' 3PROSITE-ProRule annotationAdd BLAST42
Domaini166 – 214Beta/gamma crystallin 'Greek key' 4PROSITE-ProRule annotationAdd BLAST49

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>Regioni1 – 30N-terminal armAdd BLAST30
Regioni118 – 123Connecting peptide6

<p>This subsection of the ‘Family and domains’ section provides general information on the biological role of a domain. The term ‘domain’ is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

Has a two-domain beta-structure, folded into four very similar Greek key motifs.

<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 beta/gamma-crystallin family.Curated

Keywords - Domaini

Repeat

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410IGDN Eukaryota
ENOG410ZGPB LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000159685

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000234388

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P14881

Identification of Orthologs from Complete Genome Data

More...
OMAi
SERNFDN

Database of Orthologous Groups

More...
OrthoDBi
1142622at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P14881

TreeFam database of animal gene trees

More...
TreeFami
TF331401

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR001064 Beta/gamma_crystallin
IPR011024 G_crystallin-like

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00030 Crystall, 2 hits

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR01367 BGCRYSTALLIN

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00247 XTALbg, 2 hits

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF49695 SSF49695, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS50915 CRYSTALLIN_BETA_GAMMA, 4 hits

<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_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequences (2)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">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.

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

This entry describes 2 <p>This subsection of the ‘Sequence’ section lists the alternative protein sequences (isoforms) that can be generated from the same gene by a single or by the combination of up to four biological events (alternative promoter usage, alternative splicing, alternative initiation and ribosomal frameshifting). Additionally, this section gives relevant information on each alternative protein isoform.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoformsi produced by alternative initiation. AlignAdd to basket
Isoform A3 (identifier: P14881-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide
        10         20         30         40         50
METQTVQREL ETLPTTKMAQ TNPMPGSMGP WKITIYDQEN FQGKRMEFTS
60 70 80 90 100
SCPNVSERSF DNVRSLKVEC GAWIGYEHTS FCGQQFILER GEYPRWDAWS
110 120 130 140 150
GSNAYHIERL MSFRPICSAN HKESKITIFE KENFIGRQWE ICDDYPSLQA
160 170 180 190 200
MGWFNNEVGS MKIQCGAWVC YQYPGYRGYQ YILECDHHGG DYKHWREWGT
210
HAQTSQIQSI RRIQQ
Length:215
Mass (Da):25,270
Last modified:February 1, 2005 - v2
<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:i3842A801352A96C3
GO
Isoform A1 (identifier: P14881-2) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     1-17: Missing.

Show »
Length:198
Mass (Da):23,283
Checksum:i0A41FC37097CE99D
GO

<p>This subsection of the ‘Sequence’ section reports information derived from mass spectrometry experiments done on the entire protein or on biologically active derived peptide(s).<p><a href='/help/mass_spectrometry' target='_top'>More...</a></p>Mass spectrometryi

Molecular mass is 25308.9 Da from positions 1 - 215. Determined by ESI. Isoform A3.1 Publication
Molecular mass is 23191.3 Da from positions 19 - 215. Determined by ESI. Isoform A1.1 Publication

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting.<p><a href='/help/var_seq' target='_top'>More...</a></p>Alternative sequenceiVSP_0187111 – 17Missing in isoform A1. CuratedAdd BLAST17

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

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EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AF013248 mRNA Translation: AAB67118.1
X15143 mRNA Translation: CAA33241.1

NCBI Reference Sequences

More...
RefSeqi
NP_037188.1, NM_013056.1 [P14881-1]

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000011608; ENSRNOP00000011608; ENSRNOG00000008700 [P14881-1]

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
25583

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:25583

Keywords - Coding sequence diversityi

Alternative initiation

<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
AF013248 mRNA Translation: AAB67118.1
X15143 mRNA Translation: CAA33241.1
RefSeqiNP_037188.1, NM_013056.1 [P14881-1]

3D structure databases

SMRiP14881
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000011608

PTM databases

PhosphoSitePlusiP14881

Proteomic databases

PaxDbiP14881
PRIDEiP14881

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENSRNOT00000011608; ENSRNOP00000011608; ENSRNOG00000008700 [P14881-1]
GeneIDi25583
KEGGirno:25583

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
1411
RGDi2415 Cryba1

Phylogenomic databases

eggNOGiENOG410IGDN Eukaryota
ENOG410ZGPB LUCA
GeneTreeiENSGT00940000159685
HOGENOMiHOG000234388
InParanoidiP14881
OMAiSERNFDN
OrthoDBi1142622at2759
PhylomeDBiP14881
TreeFamiTF331401

Miscellaneous databases

PMAP-CutDBiP14881

Protein Ontology

More...
PROi
PR:P14881

Gene expression databases

BgeeiENSRNOG00000008700 Expressed in 9 organ(s), highest expression level in heart
GenevisibleiP14881 RN

Family and domain databases

InterProiView protein in InterPro
IPR001064 Beta/gamma_crystallin
IPR011024 G_crystallin-like
PfamiView protein in Pfam
PF00030 Crystall, 2 hits
PRINTSiPR01367 BGCRYSTALLIN
SMARTiView protein in SMART
SM00247 XTALbg, 2 hits
SUPFAMiSSF49695 SSF49695, 1 hit
PROSITEiView protein in PROSITE
PS50915 CRYSTALLIN_BETA_GAMMA, 4 hits

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
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 nameiCRBA1_RAT
<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: P14881
Secondary accession number(s): O35237
<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_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 1, 1990
Last sequence update: February 1, 2005
Last modified: May 8, 2019
This is version 132 of the entry and version 2 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 programChordata 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

Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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