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Q7SYS9

- HNMTB_XENLA

UniProt

Q7SYS9 - HNMTB_XENLA

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Protein

Histamine N-methyltransferase B

Gene

hnmt-b

Organism
Xenopus laevis (African clawed frog)
Status
Reviewed - Annotation score: 2 out of 5- Experimental evidence at transcript leveli

Functioni

Inactivates histamine by N-methylation. Plays an important role in degrading histamine and in regulating the airway response to histamine (By similarity).By similarity

Catalytic activityi

S-adenosyl-L-methionine + histamine = S-adenosyl-L-homocysteine + N(tau)-methylhistamine.PROSITE-ProRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei28 – 281SubstratePROSITE-ProRule annotation
Binding sitei60 – 601S-adenosyl-L-methionine; via carbonyl oxygenPROSITE-ProRule annotation
Binding sitei89 – 891S-adenosyl-L-methioninePROSITE-ProRule annotation
Binding sitei94 – 941S-adenosyl-L-methioninePROSITE-ProRule annotation
Binding sitei120 – 1201S-adenosyl-L-methionine; via amide nitrogenPROSITE-ProRule annotation
Binding sitei142 – 1421S-adenosyl-L-methionine; via carbonyl oxygenPROSITE-ProRule annotation
Binding sitei283 – 2831SubstratePROSITE-ProRule annotation

GO - Molecular functioni

  1. histamine N-methyltransferase activity Source: UniProtKB-EC
Complete GO annotation...

Keywords - Molecular functioni

Methyltransferase, Transferase

Keywords - Ligandi

S-adenosyl-L-methionine

Names & Taxonomyi

Protein namesi
Recommended name:
Histamine N-methyltransferase B (EC:2.1.1.8)
Short name:
HMT B
Gene namesi
Name:hnmt-b
OrganismiXenopus laevis (African clawed frog)
Taxonomic identifieri8355 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiAmphibiaBatrachiaAnuraPipoideaPipidaeXenopodinaeXenopusXenopus

Organism-specific databases

XenbaseiXB-GENE-6253788. hnmt.

Subcellular locationi

Cytoplasm By similarity

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 293293Histamine N-methyltransferase BPRO_0000271427Add
BLAST

Interactioni

Subunit structurei

Monomer.By similarity

Structurei

3D structure databases

ProteinModelPortaliQ7SYS9.
SMRiQ7SYS9. Positions 5-292.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the class I-like SAM-binding methyltransferase superfamily. HNMT family.PROSITE-ProRule annotation

Phylogenomic databases

HOVERGENiHBG051914.
KOiK00546.

Family and domain databases

Gene3Di3.40.50.150. 1 hit.
InterProiIPR016673. Histamine_N-methyltransferase.
IPR029063. SAM-dependent_MTases-like.
[Graphical view]
PIRSFiPIRSF016616. HHMT. 1 hit.
SUPFAMiSSF53335. SSF53335. 1 hit.
PROSITEiPS51597. SAM_HNMT. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q7SYS9-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MDSGLRSLLS DHSRYVESFR LFLQNSTEHQ CMQHFIETKL PDIISSIGND
60 70 80 90 100
KPVIDVLGIG SGSGEIDLQM IAKIQARWPG VSINNQIVEP SAEQILGYKE
110 120 130 140 150
RVAKAPNLGY VTFSWHHQTS SEFEHRVTED KQMTKYDFIH MIQMLYYVKD
160 170 180 190 200
VPGTLKFFKS CLAPNGKLLI ILVSGNSGWA PLWKKYGQRL PLNDLCLYVT
210 220 230 240 250
AGDIAEMLSS MGARFQSHEL QSDMDITKCF IEGDKNGELL LDFLTETCDF
260 270 280 290
RKNAPAELRD QIICDLKSPR CSTTKDGKVI FNNNLSVIVV EAD
Length:293
Mass (Da):33,060
Last modified:October 1, 2003 - v1
Checksum:iA9ACB64AA1F48BB3
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BC054281 mRNA. Translation: AAH54281.1.
RefSeqiNP_001080614.1. NM_001087145.1.
UniGeneiXl.24624.

Genome annotation databases

GeneIDi380306.
KEGGixla:380306.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BC054281 mRNA. Translation: AAH54281.1 .
RefSeqi NP_001080614.1. NM_001087145.1.
UniGenei Xl.24624.

3D structure databases

ProteinModelPortali Q7SYS9.
SMRi Q7SYS9. Positions 5-292.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 380306.
KEGGi xla:380306.

Organism-specific databases

CTDi 380306.
Xenbasei XB-GENE-6253788. hnmt.

Phylogenomic databases

HOVERGENi HBG051914.
KOi K00546.

Family and domain databases

Gene3Di 3.40.50.150. 1 hit.
InterProi IPR016673. Histamine_N-methyltransferase.
IPR029063. SAM-dependent_MTases-like.
[Graphical view ]
PIRSFi PIRSF016616. HHMT. 1 hit.
SUPFAMi SSF53335. SSF53335. 1 hit.
PROSITEi PS51597. SAM_HNMT. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. NIH - Xenopus Gene Collection (XGC) project
    Submitted (JUN-2003) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].

Entry informationi

Entry nameiHNMTB_XENLA
AccessioniPrimary (citable) accession number: Q7SYS9
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 9, 2007
Last sequence update: October 1, 2003
Last modified: October 29, 2014
This is version 48 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3