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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:NOS1

Protein Summary

check button Gene summary
Gene name: NOS1
ASpdb.0 ID: 4842
Gene
Gene symbol

NOS1

Gene ID

4842

Gene namenitric oxide synthase 1
SynonymsIHPS1|N-NOS|NC-NOS|NOS|bNOS|nNOS
Cytomap

12q24.22

Type of geneprotein-coding
Descriptionnitric oxide synthase 1NOS type Iconstitutive NOSneuronal NOSnitric oxide synthase 1 (neuronal)peptidyl-cysteine S-nitrosylase NOS1
Modification date20240413
UniProtAcc

P29475


check button Gene ontology of this gene with evidence of Inferred from Direct Assay (IDA) from Entrez
PartnerGeneGO IDGO termPubMed ID
GeneNOS1

GO:0004517

nitric-oxide synthase activity

1689048|35772285

GeneNOS1

GO:0005654

nucleoplasm

-

GeneNOS1

GO:0005886

plasma membrane

-

GeneNOS1

GO:0009408

response to heat

18048451

GeneNOS1

GO:0016529

sarcoplasmic reticulum

9892689

GeneNOS1

GO:0042311

vasodilation

18048451

GeneNOS1

GO:0042383

sarcolemma

7545544|27225184



AS Summary

check button Information of the canonical protein with experimentally identified structure from PDB (2023).
UniProt AccFile namePDB IDMethodResolutionChainStartEnd
P29475-1P29475-1_4uch_A.pdb4UCHX-ray2.2A302723

check button ASpdb's canonical and alternatively spliced isoform information.
accession_idgene_namecanonical_idalternative_idcanonical_lengthalternative_lengthcanonical_startcanonical_endtypeoriginalSEQvariationSEQalternative_startalternative_end
P29475NOS1P29475-1P29475-41434407285407SubstitutionPPTSGKQSPTKNGSPSKCPRFLKVKNWETEVVLTDTLHLKSTLETGCTEYICMGSIMHPSQHARRPEDVRTKGQLFPLAKEFIDQYYSSIKRFGSKAHMERLEEVNKEIDTTSTYQLKDTELIMRKLRITEGFGVQRGSHNHPPPQENSPPQRMAAPPSVHASSRSRTGRLRWFSLTPSTLRAHWKRDALSTSAWAPSCILLSMQGGLKTSAQKDSSSLSPKSLLINTIHQLKDLAPKPTWKGWKR285407
P29475NOS1P29475-1P29475-414344074081434Deletionnonenone407407

check buttonMultiple sequence alignment of our canonical and alternatively spliced NOS1

check button Matched gene isoform IDs with Ensembl and RefSeq of our canonical and alternative spliced genes of NOS1
UniProt-idENSGENSTENSP
P29475-1ENSG00000089250.20ENST00000317775.11ENSP00000320758.6

UniProt-idNM IDNP ID
P29475-1NM_000620.4NP_000611.1

check buttonAmino acid sequences of our canonical and alternatively spliced NOS1
accession_idProtein sequence
P29475-1MEDHMFGVQQIQPNVISVRLFKRKVGGLGFLVKERVSKPPVIISDLIRGGAAEQSGLIQAGDIILAVNGRPLVDLSYDSALEVLRGIASE
THVVLILRGPEGFTTHLETTFTGDGTPKTIRVTQPLGPPTKAVDLSHQPPAGKEQPLAVDGASGPGNGPQHAYDDGQEAGSLPHANGLAP
RPPGQDPAKKATRVSLQGRGENNELLKEIEPVLSLLTSGSRGVKGGAPAKAEMKDMGIQVDRDLDGKSHKPLPLGVENDRVFNDLWGKGN
VPVVLNNPYSEKEQPPTSGKQSPTKNGSPSKCPRFLKVKNWETEVVLTDTLHLKSTLETGCTEYICMGSIMHPSQHARRPEDVRTKGQLF
PLAKEFIDQYYSSIKRFGSKAHMERLEEVNKEIDTTSTYQLKDTELIYGAKHAWRNASRCVGRIQWSKLQVFDARDCTTAHGMFNYICNH
VKYATNKGNLRSAITIFPQRTDGKHDFRVWNSQLIRYAGYKQPDGSTLGDPANVQFTEICIQQGWKPPRGRFDVLPLLLQANGNDPELFQ
IPPELVLEVPIRHPKFEWFKDLGLKWYGLPAVSNMLLEIGGLEFSACPFSGWYMGTEIGVRDYCDNSRYNILEEVAKKMNLDMRKTSSLW
KDQALVEINIAVLYSFQSDKVTIVDHHSATESFIKHMENEYRCRGGCPADWVWIVPPMSGSITPVFHQEMLNYRLTPSFEYQPDPWNTHV
WKGTNGTPTKRRAIGFKKLAEAVKFSAKLMGQAMAKRVKATILYATETGKSQAYAKTLCEIFKHAFDAKVMSMEEYDIVHLEHETLVLVV
TSTFGNGDPPENGEKFGCALMEMRHPNSVQEERKSYKVRFNSVSSYSDSQKSSGDGPDLRDNFESAGPLANVRFSVFGLGSRAYPHFCAF
GHAVDTLLEELGGERILKMREGDELCGQEEAFRTWAKKVFKAACDVFCVGDDVNIEKANNSLISNDRSWKRNKFRLTFVAEAPELTQGLS
NVHKKRVSAARLLSRQNLQSPKSSRSTIFVRLHTNGSQELQYQPGDHLGVFPGNHEDLVNALIERLEDAPPVNQMVKVELLEERNTALGV
ISNWTDELRLPPCTIFQAFKYYLDITTPPTPLQLQQFASLATSEKEKQRLLVLSKGLQEYEEWKWGKNPTIVEVLEEFPSIQMPATLLLT
QLSLLQPRYYSISSSPDMYPDEVHLTVAIVSYRTRDGEGPIHHGVCSSWLNRIQADELVPCFVRGAPSFHLPRNPQVPCILVGPGTGIAP
FRSFWQQRQFDIQHKGMNPCPMVLVFGCRQSKIDHIYREETLQAKNKGVFRELYTAYSREPDKPKKYVQDILQEQLAESVYRALKEQGGH
P29475-4MEDHMFGVQQIQPNVISVRLFKRKVGGLGFLVKERVSKPPVIISDLIRGGAAEQSGLIQAGDIILAVNGRPLVDLSYDSALEVLRGIASE
THVVLILRGPEGFTTHLETTFTGDGTPKTIRVTQPLGPPTKAVDLSHQPPAGKEQPLAVDGASGPGNGPQHAYDDGQEAGSLPHANGLAP
RPPGQDPAKKATRVSLQGRGENNELLKEIEPVLSLLTSGSRGVKGGAPAKAEMKDMGIQVDRDLDGKSHKPLPLGVENDRVFNDLWGKGN
VPVVLNNPYSEKEQMRKLRITEGFGVQRGSHNHPPPQENSPPQRMAAPPSVHASSRSRTGRLRWFSLTPSTLRAHWKRDALSTSAWAPSC

Protein Functional Features

check buttonMain function of this protein. (from UniProt)
NOS1 (go to UniProt):P29475

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
P29475Domain760940Note=Flavodoxin-like;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00088Type=Deletion;Start=408;End=1434
P29475Domain9951242Note=FAD-binding FR-type;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00716Type=Deletion;Start=408;End=1434
P29475Region276302Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=285;End=407
P29475Region730750Note=Calmodulin-binding;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P29476Type=Deletion;Start=408;End=1434
P29475Compositional bias280299Note=Polar residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-liteType=Substitution;Start=285;End=407


Gene Isoform Structures and Expression Levels for NOS1

check buttonGene structures of our canonical and alternative spliced genes of NOS1
* Click on the image to open the UCSC genome browser with custom track showing this image in a new window.
gene isoform structure of NOS1

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 P29475-1
3D view using mol* of P29475-4


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 P29475-1
all structure
pLDDT distribution across the protein length of P29475-4
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 P29475-1
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
P29475-11.0794661.1021392.9230.5220.7920.9920.9010.960.9380.708306,322,325,327,328,329,330,331,336,337,338,339,34
0,341,342,343,344,346,347,413,414,416,417,418,419,
420,421,422,424,425,462,480,481,482,483,486,501,50
2,503,504,505,506,525,566,567,570,572,574,575,589,
590,591,592,593,594,596,597,601,602,608,654,659,66
2,663,679,680,681,682,683,685,686,687,699,700,701,
702,703,704,705,708,709,710,711,712,713,714,716,71
7,873
P29475-40.946750.943374.8990.5660.7450.9360.9430.9760.9660.31622,26,27,28,29,30,31,32,44,47,81,84,85,359,360,361
,362,363

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 P29475-1_P29475-1_4uch_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 P29475-1_4uch_A_P29475-4.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 P29475-1_P29475-4.pdb

check button Protein Feature Comparison of the protein sequendary structures among the protiens.
./stats/secondary_structure/figure/P29475-1_vs_P29475-4.png
all structure<

check button Protein Feature Comparison of the relative accessible surface area (ASA) among the protiens.
./stats/relative_asa/P29475-1_vs_P29475-4.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 NOS1


check button Drugs targeting this gene/protein.
(DrugBank)
UniProt accessionGene nameDrugBank IDDrug nameDrug groupActions
P29475NOS1DB02644N-omega-propyl-L-arginineexperimental
P29475NOS1DB02027N-{(4S)-4-Amino-5-[(2-aminoethyl)amino]pentyl}-N'-nitroguanidineexperimental
P29475NOS1DB08018N-{(3S,4S)-4-[(6-AMINO-4-METHYLPYRIDIN-2-YL)METHYL]PYRROLIDIN-3-YL}-N'-(4-CHLOROBENZYL)ETHANE-1,2-DIAMINEexperimental
P29475NOS1DB03461Nicotinamide adenine dinucleotide phosphateexperimental
P29475NOS1DB00843Donepezilapprovedinhibitor, inducer
P29475NOS1DB019973-Bromo-7-Nitroindazoleexperimental
P29475NOS1DB01942Formic acidexperimental, investigational
P29475NOS1DB03247Flavin mononucleotideapproved, investigational
P29475NOS1DB03707S-Ethyl-N-Phenyl-Isothioureaexperimental
P29475NOS1DB09241Methylene blueapproved, investigationalinhibitor
P29475NOS1DB01821L-N(omega)-Nitroarginine-2,4-L-diaminobutyric amideexperimental
P29475NOS1DB08019N-{(3R,4S)-4-[(6-amino-4-methylpyridin-2-yl)methyl]pyrrolidin-3-yl}-N'-(3-chlorobenzyl)ethane-1,2-diamineexperimental
P29475NOS1DB04223Nitroarginineexperimental, investigational
P29475NOS1DB03449N-(4-{2-[(3-chlorobenzyl)amino]ethyl}phenyl)thiophene-2-carboximidamideexperimental
P29475NOS1DB02044N-[3-(aminomethyl)benzyl]acetamidineexperimental
P29475NOS1DB022077-Nitroindazoleexperimentalinhibitor
P29475NOS1DB02991S-Ethyl-N-[4-(Trifluoromethyl)Phenyl]Isothioureaexperimental
P29475NOS1DB03147Flavin adenine dinucleotideapproved
P29475NOS1DB021431-hydroxy-2-isopropylguanidineexperimental
P29475NOS1DB06096NXN-188investigational
P29475NOS1DB03144N(5)-[(hydroxyamino)(imino)methyl]-L-ornithineexperimental
P29475NOS1DB038925-N-Allyl-arginineexperimental
P29475NOS1DB01221Ketamineapproved, vet_approvedinhibitor
P29475NOS1DB03710[(1S)-4-(1-Aminobutylideneamino)-1-carboxybutyl]azaniumexperimental
P29475NOS1DB02077L-N(omega)-nitroarginine-(4R)-amino-L-proline amideexperimental
P29475NOS1DB027272-butyl-1-hydroxyguanidineexperimental
P29475NOS1DB00155Citrullineinvestigational, nutraceutical

Related Diseases to NOS1


check button Previous studies relating to the alternative splicing of NOS1 and disease information from the MeSH term (PubMed)
GenePMIDTitleAbstractMeSH IDMeSH term


Clinically important variants in NOS1


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