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Center for Computational Systems Medicine
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Protein Summary

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AS Summary

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Protein Functional Features

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Gene Isoform Structures and Expression Levels

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Protein Structures

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pLDDT Score Distribution

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Ramachandran Plot of Protein Structures

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Potential Active Site Information

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Protein Structure and Feature Comparision

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Protein-Protein Interaction

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Related Drugs

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Related Diseases

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Clinically Important Variants

Protein:MZB1

Protein Summary

check button Gene summary
Gene name: MZB1
ASpdb.0 ID: 51237
Gene
Gene symbol

MZB1

Gene ID

51237

Gene namemarginal zone B and B1 cell specific protein
SynonymsMEDA-7|PACAP|pERp1
Cytomap

5q31.2

Type of geneprotein-coding
Descriptionmarginal zone B- and B1-cell-specific proteinHSPC190caspase-2 binding proteinmesenteric estrogen-dependent adipose 7mesenteric oestrogen-dependent adipose gene- 7plasma cell-induced ER protein 1plasma cell-induced resident ER proteinplasma cell-ind
Modification date20240416
UniProtAcc

Q8WU39


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID


AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
Q8WU39-1Q8WU39-1_7aah_A.pdb7AAHX-ray1.4A39185

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
Q8WU39MZB1Q8WU39-1Q8WU39-218912360189SubstitutionMWQNLAKAETKLHTSNSGGRRELSELVYTDVLDRSCSRNWQDYGVREVDQVKRLTGPGLSEGPEPSISVMVTGGPWPTRLSRTCLHYLGEFGEDQIYEAHQQGRGALEALLCGGPQGACSEKVSATREELSLLVPDVAKSGKGRDQTSYLKLWGAAGAERVGLHGCPGPELLPELAGLRSSRSGPSETSHRPRT60123
Q8WU39MZB1Q8WU39-1Q8WU39-318997192Deletionnonenone00
Q8WU39MZB1Q8WU39-1Q8WU39-31899793101SubstitutionRSCSRNWQDMPAELWLTS19
Q8WU39MZB1Q8WU39-1Q8WU39-4189756075SubstitutionMWQNLAKAETKLHTSNRLCSYPPHLPLTEQQS6075
Q8WU39MZB1Q8WU39-1Q8WU39-41897576189Deletionnonenone7575
Q8WU39MZB1Q8WU39-1Q8WU39-5189626062SubstitutionMWQAHP6062
Q8WU39MZB1Q8WU39-1Q8WU39-51896263189Deletionnonenone6262

check buttonMultiple sequence alignment of our canonical and alternatively spliced MZB1

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of MZB1
UniProt-idENSGENSTENSP
Q8WU39-1ENSG00000170476.16ENST00000302125.9ENSP00000303920.8
Q8WU39-2ENSG00000170476.16ENST00000503481.5ENSP00000423205.1
Q8WU39-4ENSG00000170476.16ENST00000417694.6ENSP00000415420.2

UniProt-idNM IDNP ID
Q8WU39-1NM_016459.3NP_057543.2

check buttonAmino acid sequences of our canonical and alternatively spliced MZB1
accession_idProtein sequence
Q8WU39-1MRLSLPLLLLLLGAWAIPGGLGDRAPLTATAPQLDDEEMYSAHMPAHLRCDACRAVAYQMWQNLAKAETKLHTSNSGGRRELSELVYTDV
LDRSCSRNWQDYGVREVDQVKRLTGPGLSEGPEPSISVMVTGGPWPTRLSRTCLHYLGEFGEDQIYEAHQQGRGALEALLCGGPQGACSE
Q8WU39-2MRLSLPLLLLLLGAWAIPGGLGDRAPLTATAPQLDDEEMYSAHMPAHLRCDACRAVAYQSLLVPDVAKSGKGRDQTSYLKLWGAAGAERV
Q8WU39-3MPAELWLTSYGVREVDQVKRLTGPGLSEGPEPSISVMVTGGPWPTRLSRTCLHYLGEFGEDQIYEAHQQGRGALEALLCGGPQGACSEKV
Q8WU39-4
Q8WU39-5

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
MZB1 (go to UniProt):Q8WU39

check buttonRetention analysis result of protein across 39 protein features of UniProt such as six molecule processing features, 13 region features, four site features, six amino acid modification features, two natural variation features, five experimental info features, and 3 secondary structure features. Here, because of limited space for viewing, we only show the protein feature retention information belong to the 13 regional features. All retention annotation result can be downloaded at

download page

* Minus value of BPloci means that the break pointn is located before the CDS.
- Retained protein feature among the 13 regional features.
Accession_idSubsectionStartEndFuncitonal featureSplicing information
Q8WU39Motif186189Note=Prevents secretion from ER;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10138Type=Substitution;Start=60;End=189
Q8WU39Motif186189Note=Prevents secretion from ER;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10138Type=Deletion;Start=76;End=189
Q8WU39Motif186189Note=Prevents secretion from ER;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10138Type=Deletion;Start=63;End=189


Gene Isoform Structures and Expression Levels for MZB1

check buttonGene structures of our canonical and alternative spliced genes of MZB1
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of MZB1

check button Expression levels of gene isoforms across GTEx.
gtex expression

check button Expression levels of gene isoforms across TCGA.
tcga expression


Protein Structures

check button PDB and CIF files of the predicted protein structures
* Here we show the 3D structure of the proteins using Mol*. AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100. Model confidence is shown from the pLDDT values per residue. pLDDT corresponds to the model’s prediction of its score on the local Distance Difference Test. It is a measure of local accuracy (from AlphfaFold website). To color code individual residues, we transformed individual PDB files into CIF format.
3D view using mol* of Q8WU39-1
3D view using mol* of Q8WU39-2
3D view using mol* of Q8WU39-3
3D view using mol* of Q8WU39-4
3D view using mol* of Q8WU39-5


pLDDT Score Distribution

check button pLDDT score distribution of the predicted protein structures from AlphaFold2
* AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100.
pLDDT distribution across the protein length of Q8WU39-1
all structure
pLDDT distribution across the protein length of Q8WU39-2
all structure
pLDDT distribution across the protein length of Q8WU39-3
all structure
pLDDT distribution across the protein length of Q8WU39-4
all structure


Ramachandran Plot of Protein Structures


check button Ramachandran plot of the torsional angles - phi (φ)and psi (ψ) - of the residues (amino acids) contained in this protein peptide.
Ramachandran plot of Q8WU39-1
all structure
Ramachandran plot of Q8WU39-2
all structure
Ramachandran plot of Q8WU39-3
all structure
Ramachandran plot of Q8WU39-5
all structure

Potential Active Site Information


check button The potential binding sites of these proteins were identified using SiteMap, a module of the Schrodinger suite.
UniProt-idSite scoreSizeD scoreVolumeExposureEnclosureContactPhobicPhilicBalanceDon/AccResidues
Q8WU39-10.875800.879174.2440.5530.6240.8770.461.0330.4460.8437,43,44,45,49,52,141,142,145,146,149,150,170,171,
172,173,174,175,176,177
Q8WU39-21.0211331.058532.3360.6430.6930.8370.6420.9130.7031.04427,29,30,31,32,34,38,41,43,44,45,46,47,48,49,50,51
,52,54,55,58,90,91,92,94,95,96,97,98,101,104,105,1
07,108,109,110,111
Q8WU39-30.684310.54277.5180.6270.7121.0120.1571.2530.1251.30913,15,20,21,22,27,28,29,31
Q8WU39-40.57330.53164.1410.7560.4890.6870.1630.9290.1752.66861,64,65,66,67,68,69,70,72,73

Protein Structure and Feature Comparision


check button Protein Structure Comparision Using Template Modeling Scores (TM-score).
all structure

check button Protein Structure Comparision Visualization with mol*. between Canonical predicted structure (AF2)(orange) vs Canonical validated structure (PDB)(green)
3D view using mol* of Q8WU39-1_Q8WU39-1_7aah_A.pdb

check button Protein Structure Comparision Visualization with mol*. between Canonical validated structure (PDB)(orange) vs Alternative predicted structure (AF2)(green)
3D view using mol* of Q8WU39-1_7aah_A_Q8WU39-2.pdb
3D view using mol* of Q8WU39-1_7aah_A_Q8WU39-3.pdb
3D view using mol* of Q8WU39-1_7aah_A_Q8WU39-4.pdb
3D view using mol* of Q8WU39-1_7aah_A_Q8WU39-5.pdb

check button Protein Structure Comparision Visualization with mol*. between Canonical predicted structure (AF2)(orange) vs Alternative predicted structure (AF2)(green)
3D view using mol* of Q8WU39-1_Q8WU39-2.pdb
3D view using mol* of Q8WU39-1_Q8WU39-3.pdb
3D view using mol* of Q8WU39-1_Q8WU39-4.pdb
3D view using mol* of Q8WU39-1_Q8WU39-5.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/Q8WU39-1_vs_Q8WU39-2.png
all structure<
./stats/secondary_structure/figure/Q8WU39-1_vs_Q8WU39-3.png
all structure<
./stats/secondary_structure/figure/Q8WU39-1_vs_Q8WU39-4.png
all structure<
./stats/secondary_structure/figure/Q8WU39-1_vs_Q8WU39-5.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/Q8WU39-1_vs_Q8WU39-2.png
all structure<
./stats/relative_asa/Q8WU39-1_vs_Q8WU39-3.png
all structure<
./stats/relative_asa/Q8WU39-1_vs_Q8WU39-4.png
all structure<
./stats/relative_asa/Q8WU39-1_vs_Q8WU39-5.png
all structure<


Protein-Protein Interaction


check button Interactors from UniProt.
Accession_idSubsectionStartEndFuncitonal featureSplicing information


check button Interactors from STRING.
Gene nameInteractors


Related Drugs to MZB1


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions

Related Diseases to MZB1


check button Previous studies relating to the alternative splicing of MZB1 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term
MZB112792799MGC29506 gene, frequently down-regulated in intestinal-type gastric cancer, encodes secreted-type protein with conserved cysteine residues.Microarray analyses is applied for prognosis of gastric cancer, including risk assessments of lymph-node metastasis and peritoneal dissemination. EST AA769445 derived from an unknown gene is reported to be frequently down-regulated in intestinal-type gastric cancer based on microarray analyses. Here, we identified and characterized the gene corresponding to EST AA769445 by using bioinformatics. EST AA769445 overlapped with MGC29506 cDNA (BC021275) and PACAP cDNA (AF338109). MGC29506 protein (189 aa) and PACAP protein (123 aa) were identical in codon 1-59, but were divergent in the C-terminal region due to a frame shift caused by sixteen-base insertion in PACAP cDNA. MGC29506 and PACAP were derived from the same gene, consisting of four exons, due to alternative splicing of alternative splice-acceptor-site type. Fourteen human ESTs were the MGC29506 type, while one human EST was the PACAP type. MGC29506 was the major isoform of the MGC29506/PACAP gene on human chromosome 5q31.2. MGC29506 orthologs in other species were next searched for. AK088094 and AK008016 cDNAs with nucleotide substitutions resulting in four-amino-acid substitutions were derived from mouse Mgc29506 gene. Rat Mgc29506 gene was identified in the rat genome draft sequence AC135285. ESTs AJ396310 and AJ441435 were derived from chicken Mgc29506 gene, while ESTs BW315632 and BW251767 from ciona mgc29506 gene. N-terminal signal peptide, six cysteine residues and other amino acids were conserved among human, mouse, rat, chicken, and ciona MGC29506 proteins. MGC29506 gene, frequently down-regulated in intestinal-type gastric cancer, was found to encode secreted-type protein with six conserved cysteine residues.D007414Intestinal Neoplasms
MZB112792799MGC29506 gene, frequently down-regulated in intestinal-type gastric cancer, encodes secreted-type protein with conserved cysteine residues.Microarray analyses is applied for prognosis of gastric cancer, including risk assessments of lymph-node metastasis and peritoneal dissemination. EST AA769445 derived from an unknown gene is reported to be frequently down-regulated in intestinal-type gastric cancer based on microarray analyses. Here, we identified and characterized the gene corresponding to EST AA769445 by using bioinformatics. EST AA769445 overlapped with MGC29506 cDNA (BC021275) and PACAP cDNA (AF338109). MGC29506 protein (189 aa) and PACAP protein (123 aa) were identical in codon 1-59, but were divergent in the C-terminal region due to a frame shift caused by sixteen-base insertion in PACAP cDNA. MGC29506 and PACAP were derived from the same gene, consisting of four exons, due to alternative splicing of alternative splice-acceptor-site type. Fourteen human ESTs were the MGC29506 type, while one human EST was the PACAP type. MGC29506 was the major isoform of the MGC29506/PACAP gene on human chromosome 5q31.2. MGC29506 orthologs in other species were next searched for. AK088094 and AK008016 cDNAs with nucleotide substitutions resulting in four-amino-acid substitutions were derived from mouse Mgc29506 gene. Rat Mgc29506 gene was identified in the rat genome draft sequence AC135285. ESTs AJ396310 and AJ441435 were derived from chicken Mgc29506 gene, while ESTs BW315632 and BW251767 from ciona mgc29506 gene. N-terminal signal peptide, six cysteine residues and other amino acids were conserved among human, mouse, rat, chicken, and ciona MGC29506 proteins. MGC29506 gene, frequently down-regulated in intestinal-type gastric cancer, was found to encode secreted-type protein with six conserved cysteine residues.D013274Stomach Neoplasms


Clinically important variants in MZB1


check button (ClinVar, 04/20/2024)
accession_iduniprot_idgene_nameTypeVariantClinical_significance