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Entry version 87 (02 Dec 2020)
Sequence version 1 (01 Nov 1996)
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Protein

Nodal homolog

Gene

nodal

Organism
Xenopus laevis (African clawed frog)
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

Cooperation and regulatory loops of multiple nodals are essential for mesendoderm patterning in early embryos. Essential for mesoderm formation and axial patterning during embryonic development. Activates the activin-like signaling pathway to induce dorsal and ventral mesoderm in animal cap ectoderm. In addition, also dorsalizes ventral marginal zone (VMZ) tissues during gastrulation. Acts in a downstream signaling cascade via cripto and cer1 to mediate cardiogenesis in embryonic mesoderm. Directs the orientation of the left-right axis by driving the left-specific gene cascade in the left lateral plate mesoderm.7 Publications

<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

  • cytokine activity Source: UniProtKB-KW
  • growth factor activity Source: UniProtKB-KW
  • morphogen activity Source: BHF-UCL

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 functionCytokine, Developmental protein, Growth factor

<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:
Nodal homolog
Alternative name(s):
Nodal-related protein 1
Xnr-1
Short name:
Xnr1
Short name:
nr-1
<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:nodalBy similarity
Synonyms:nr11 Publication
<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>OrganismiXenopus laevis (African clawed frog)
<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 identifieri8355 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiAmphibiaBatrachiaAnuraPipoideaPipidaeXenopodinaeXenopusXenopus

Organism-specific databases

Xenopus laevis and tropicalis biology and genomics resource

More...
Xenbasei
XB-GENE-865681, nodal1.L

<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

Secreted

<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 denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei1 – 18Sequence analysisAdd BLAST18
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM / Processing</a> section describes a propeptide, which is a part of a protein that is cleaved during maturation or activation. Once cleaved, a propeptide generally has no independent biological function.<p><a href='/help/propep' target='_top'>More...</a></p>PropeptideiPRO_000027327419 – 281Sequence analysisAdd BLAST263
<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_0000273275282 – 406Nodal homologSequence analysisAdd BLAST125

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi71N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi136N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi172N-linked (GlcNAc...) asparagineSequence analysis1
<p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi306 ↔ 372By similarity
Disulfide bondi335 ↔ 403By similarity
Disulfide bondi339 ↔ 405By similarity
Glycosylationi344N-linked (GlcNAc...) asparagineSequence analysis1
Disulfide bondi369InterchainBy similarity

Keywords - PTMi

Cleavage on pair of basic residues, Disulfide bond, Glycoprotein

<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

<p>This subsection of the 'Expression' section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified 'at protein level'.<br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

In the first phase of expression, localized to the vegetal region of the blastula. During gastrulation (stage 10.5), this expression disappears and instead becomes localized to the dorsal marginal zone, with enrichment in the organizer. During the second phase of expression in neurulae and tailbud embryos, expression restarts firstly in two symmetric patches near the posterior end of the notochord, and then in a large asymmetrical domain in the left lateral plate mesoderm.4 Publications

<p>This subsection of the 'Expression' section provides information on the expression of the gene product at various stages of a cell, tissue or organism development. By default, the information is derived from experiments at the mRNA level, unless specified 'at the protein level'.<p><a href='/help/developmental_stage' target='_top'>More...</a></p>Developmental stagei

Has two phases of temporal expression during embryogenesis; first expressed at late blastula (stage 9) with expression peaking at early gastrula. Expression then disappears before restarting in a second phase in late neurulae (stage 17).1 Publication

<p>This subsection of the 'Expression' section reports the experimentally proven effects of inducers and repressors (usually chemical compounds or environmental factors) on the level of protein (or mRNA) expression (up-regulation, down-regulation, constitutive expression).<p><a href='/help/induction' target='_top'>More...</a></p>Inductioni

By dorsal mesoderm-inducing signals including smad2-smad4, activin and other nodal-related proteins including nodal2/nr-2 and nodal4/nr-4. Shows autoinduction by nodal/nr-1. Induced by vegt, acting in an autoregulatory loop. Beta-catenin potentiates the response to activin. Not induced by wnt8 alone, but wnt8 potentiates the response to activin. Suppressed by ventral inducers such as bmp4.7 Publications

<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

Homodimer; disulfide-linked (By similarity).

Interacts with, and is inhibited by cer1 and gdf10/bmp3b.

By similarity2 Publications

GO - Molecular functioni

<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
Q91619

Database of comparative protein structure models

More...
ModBasei
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

<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 TGF-beta family.Sequence analysis

Keywords - Domaini

Signal

Phylogenomic databases

Identification of Orthologs from Complete Genome Data

More...
OMAi
WEMNDSA

Database of Orthologous Groups

More...
OrthoDBi
1518399at2759

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.10.90.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR029034, Cystine-knot_cytokine
IPR001839, TGF-b_C
IPR001111, TGF-b_propeptide
IPR015615, TGF-beta-rel
IPR017948, TGFb_CS

The PANTHER Classification System

More...
PANTHERi
PTHR11848, PTHR11848, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00019, TGF_beta, 1 hit
PF00688, TGFb_propeptide, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00204, TGFB, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF57501, SSF57501, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00250, TGF_BETA_1, 1 hit
PS51362, TGF_BETA_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.

<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 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.

Q91619-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAFLTAVLYL GFACISQGLP TWPDRVESRN PLFGSRVALN LPSLLDGNRH
60 70 80 90 100
HRDMRYPLYM MQLYQNLVTG NDTGLANRPN TATKEYDTVL SLFAKKCTES
110 120 130 140 150
ENRWTLSFDM SAVSRSNELK LAELRILLPH TEPSHNITMD MYHSRDGEDN
160 170 180 190 200
LYLGSFNANP PSTKGSPWKV FNVTKILQPY FKERRDIDSE HLKAKERAER
210 220 230 240 250
GSGMSNAEFI DAPGPSQQYN PHQTSVPTYL NTKGVMLVLF TKVKSSANHI
260 270 280 290 300
GFPSLIKTAE SSKYVDIEKA SRVPGIRRHR RNRNENHHLS IGSIPSRHVE
310 320 330 340 350
NGKPLCRRVD MIVDFEDIGW SSWIVYPKKY NAYRCEGACP IPLNETFKPT
360 370 380 390 400
NHAYMKSVVK LYQPERVECP LCVPVKMSPL SMLYYEGDEV VLRHHQEMIV

EECGCS
Length:406
Mass (Da):46,332
Last modified:November 1, 1996 - 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:i3AFB1D98BCDEAE70
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
U29447 mRNA Translation: AAA97392.1
AF410903 Genomic DNA Translation: AAL05845.1
AF410904 Genomic DNA Translation: AAL05846.1

NCBI Reference Sequences

More...
RefSeqi
NP_001079265.1, NM_001085796.1

Genome annotation databases

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
378543

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
xla:378543

<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
U29447 mRNA Translation: AAA97392.1
AF410903 Genomic DNA Translation: AAL05845.1
AF410904 Genomic DNA Translation: AAL05846.1
RefSeqiNP_001079265.1, NM_001085796.1

3D structure databases

SMRiQ91619
ModBaseiSearch...

Genome annotation databases

GeneIDi378543
KEGGixla:378543

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
378543
XenbaseiXB-GENE-865681, nodal1.L

Phylogenomic databases

OMAiWEMNDSA
OrthoDBi1518399at2759

Family and domain databases

Gene3Di2.10.90.10, 1 hit
InterProiView protein in InterPro
IPR029034, Cystine-knot_cytokine
IPR001839, TGF-b_C
IPR001111, TGF-b_propeptide
IPR015615, TGF-beta-rel
IPR017948, TGFb_CS
PANTHERiPTHR11848, PTHR11848, 1 hit
PfamiView protein in Pfam
PF00019, TGF_beta, 1 hit
PF00688, TGFb_propeptide, 1 hit
SMARTiView protein in SMART
SM00204, TGFB, 1 hit
SUPFAMiSSF57501, SSF57501, 1 hit
PROSITEiView protein in PROSITE
PS00250, TGF_BETA_1, 1 hit
PS51362, TGF_BETA_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 nameiNODAL_XENLA
<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: Q91619
Secondary accession number(s): Q90XB4, Q90XB5
<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: January 23, 2007
Last sequence update: November 1, 1996
Last modified: December 2, 2020
This is version 87 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 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

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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