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Protein

N-acetylneuraminate epimerase

Gene

nanM

Organism
Brucella ovis (strain ATCC 25840 / 63/290 / NCTC 10512)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Converts alpha-N-acetylneuranimic acid (Neu5Ac) to the beta-anomer, accelerating the equilibrium between the alpha- and beta-anomers. Probably facilitates sialidase-negative bacteria to compete sucessfully for limited amounts of extracellular Neu5Ac, which is likely taken up in the beta-anomer. In addition, the rapid removal of sialic acid from solution might be advantageous to the bacterium to damp down host responses.UniRule annotation

Catalytic activityi

N-acetyl-alpha-neuraminate = N-acetyl-beta-neuraminate.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei242Proton acceptorUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionIsomerase
Biological processCarbohydrate metabolism

Names & Taxonomyi

Protein namesi
Recommended name:
N-acetylneuraminate epimeraseUniRule annotation (EC:5.1.3.24UniRule annotation)
Alternative name(s):
N-acetylneuraminate mutarotaseUniRule annotation
Short name:
Neu5Ac mutarotaseUniRule annotation
Sialic acid epimeraseUniRule annotation
Gene namesi
Name:nanMUniRule annotation
Ordered Locus Names:BOV_A0355
OrganismiBrucella ovis (strain ATCC 25840 / 63/290 / NCTC 10512)
Taxonomic identifieri444178 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhizobialesBrucellaceaeBrucella
Proteomesi
  • UP000006383 Componenti: Chromosome II

Subcellular locationi

  • Periplasm UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Periplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 26UniRule annotationAdd BLAST26
ChainiPRO_000033305127 – 388N-acetylneuraminate epimeraseAdd BLAST362

Proteomic databases

PRIDEiA5VU94

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Structurei

3D structure databases

SMRiA5VU94
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Repeati48 – 92Kelch 1Add BLAST45
Repeati94 – 147Kelch 2Add BLAST54
Repeati149 – 186Kelch 3Add BLAST38
Repeati187 – 232Kelch 4Add BLAST46
Repeati236 – 285Kelch 5Add BLAST50
Repeati307 – 356Kelch 6Add BLAST50
Repeati358 – 387Kelch 7Add BLAST30

Sequence similaritiesi

Belongs to the NanM family.UniRule annotation

Keywords - Domaini

Kelch repeat, Repeat, Signal

Phylogenomic databases

HOGENOMiHOG000218207
KOiK17948
OMAiGAAFTIQ

Family and domain databases

Gene3Di2.120.10.80, 2 hits
HAMAPiMF_01195 NanM, 1 hit
InterProiView protein in InterPro
IPR015915 Kelch-typ_b-propeller
IPR019936 Mutatrotase_YjhT-like
SUPFAMiSSF117281 SSF117281, 2 hits
TIGRFAMsiTIGR03547 muta_rot_YjhT, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

A5VU94-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MFSLIGAKRL AIGIAALAWS TGAVMASEHW PDLPVGIKNG AAARIGNMAY
60 70 80 90 100
VGLGSAGTDF YALDLNNPSK GWVKRANFIG PATNGAAMAA AGGKIFAFSG
110 120 130 140 150
NGKATPDAKS PIIFDTAYVY DPGSDGWSKL DTQTPVGLSG AKAVGLADGR
160 170 180 190 200
IAIFGGYNKE LFDKYLADVG AIDKDKEPEA YRKLVDSYMG MKPEAYRWND
210 220 230 240 250
EVLVYDPAGN NWGSLGANPF LPNCDPAMAT MGEGDFLLVS GEIKPGLRTP
260 270 280 290 300
EAKLVKIRDG AAHWQKVSDL PPLSGSEPQE GVAGAYAGKA GDDVLVAGGA
310 320 330 340 350
NFKGAQANAA AGKWFAHDGL AKSWRDDVYA FDGKDWKVAG KLPRGLAYGA
360 370 380
AFDAPGGLLV VGGEDRDGKA RKEVFLLKWD GKALSVEN
Length:388
Mass (Da):40,627
Last modified:July 10, 2007 - v1
Checksum:i6B1DBC00747DA663
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000709 Genomic DNA Translation: ABQ62413.1
RefSeqiWP_004688930.1, NC_009504.1

Genome annotation databases

EnsemblBacteriaiABQ62413; ABQ62413; BOV_A0355
KEGGibov:BOV_A0355

Similar proteinsi

Entry informationi

Entry nameiNANM_BRUO2
AccessioniPrimary (citable) accession number: A5VU94
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 20, 2008
Last sequence update: July 10, 2007
Last modified: May 23, 2018
This is version 67 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome

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