Reviewed, UniProtKB/Swiss-Prot P0AAR3 (YBAK_ECOLI)

Names and origin

Protein names

Recommended name:
    Uncharacterized protein ybaK

Gene names

Name:	ybaK
Ordered Locus Names:	b0481, JW0470

Organism

Escherichia coli (strain K12) [Complete proteome] [HAMAP]

Taxonomic identifier

83333 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	159 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	May be involved in the suppression of transcription of ushA.
Sequence similarities	To H.influenzae HI1434. To E.faecalis ebsC protein.

Ontologies

Keywords
Biological process	Transcription Transcription regulation
Technical term	3D-structure Complete proteome
Gene Ontology (GO)
Biological process	regulation of transcription, DNA-dependent Inferred from electronic annotation. Source: UniProtKB-KW transcription Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	protein binding Inferred from physical interaction. Source: IntAct
Complete GO annotation...

Binary interactions

With	Entry	#Exp.	IntAct	Notes
lpdA	P0A9P0	1	EBI-559987,EBI-542856

Sequence annotation (Features)

Feature key

Position(s)

Length

Description

Graphical view

Feature identifier

Molecule processing

Chain

1 – 159

159

Uncharacterized protein ybaK

PRO_0000168620

Secondary structure

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159

Helix Strand Turn

Details...

Helix

3 – 10

8

Beta strand

16 – 19

4

Helix

32 – 37

6

Turn

41 – 43

3

Beta strand

44 – 52

9

Beta strand

55 – 65

11

Beta strand

68 – 70

3

Helix

72 – 79

8

Beta strand

84 – 86

3

Helix

89 – 96

8

Beta strand

105 – 107

3

Beta strand

114 – 117

4

Helix

118 – 122

5

Beta strand

126 – 132

7

Beta strand

135 – 139

5

Helix

141 – 148

8

Beta strand

151 – 153

3

Sequences

	Sequence		Length	Mass (Da)
	P0AAR3-1 [UniParc]. Last modified October 11, 2005. Version 1. Checksum: 45CD6A2226F2AA01	FASTA	159	17,093
	10 20 30 40 50 60 MTPAVKLLEK NKISFQIHTY EHDPAETNFG DEVVKKLGLN PDQVYKTLLV AVNGDMKHLA 70 80 90 100 110 120 VAVTPVAGQL DLKKVAKALG AKKVEMADPM VAQRSTGYLV GGISPLGQKK RLPTIIDAPA 130 140 150 QEFATIYVSG GKRGLDIELA AGDLAKILDA KFADIARRD

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Sequence of minutes 4-25 of Escherichia coli." Chung E., Allen E., Araujo R., Aparicio A.M., Davis K., Duncan M., Federspiel N., Hyman R., Kalman S., Komp C., Kurdi O., Lew H., Lin D., Namath A., Oefner P., Roberts D., Schramm S., Davis R.W. Submitted (JAN-1997) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: K12 / MG1655 / ATCC 47076.
[2]	"The complete genome sequence of Escherichia coli K-12." Blattner F.R., Plunkett G. III, Bloch C.A., Perna N.T., Burland V., Riley M., Collado-Vides J., Glasner J.D., Rode C.K., Mayhew G.F., Gregor J., Davis N.W., Kirkpatrick H.A., Goeden M.A., Rose D.J., Mau B., Shao Y. Science 277:1453-1474(1997) [PubMed: 9278503] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: K12 / MG1655 / ATCC 47076.
[3]	"Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110." Hayashi K., Morooka N., Yamamoto Y., Fujita K., Isono K., Choi S., Ohtsubo E., Baba T., Wanner B.L., Mori H., Horiuchi T. Mol. Syst. Biol. 2:E1-E5(2006) [PubMed: 16738553] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: K12 / W3110 / ATCC 27325 / DSM 5911.
[4]	"Nucleotide sequence and transcriptional analysis of the E. coli ushA gene, encoding periplasmic UDP-sugar hydrolase (5'-nucleotidase): regulation of the ushA gene, and the signal sequence of its encoded protein product." Burns D.M., Beacham I.R. Nucleic Acids Res. 14:4325-4342(1986) [PubMed: 3012467] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 149-159.
[5]	Jimenez S., Bairoch A. Unpublished observations (AUG-1994) Cited for: IDENTIFICATION.
[6]	"Enrichment of low abundance proteins of Escherichia coli by hydroxyapatite chromatography." Fountoulakis M., Takacs M.-F., Berndt P., Langen H., Takacs B. Electrophoresis 20:2181-2195(1999) [PubMed: 10493123] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY.

Cross-references

Sequence databases

EMBLGenBankDDBJ

U82664 Genomic DNA. Translation: AAB40235.1.
U00096 Genomic DNA. Translation: AAC73583.1.
AP009048 Genomic DNA. Translation: BAE76260.1.
X03895 Genomic DNA. No translation available.

PIR

H64778.

RefSeq

AP_001130.1.
NP_415014.1.

3D structure databases

PDBPDBe

Entry	Method	Resolution (Å)	Chain	Positions	PDBsum
2DXA	X-ray	1.58	A	1-159	[»]

ModBase

Search...

Protein-protein interaction databases

IntAct

P0AAR3. 17 interactions.

Genome annotation databases

GeneID

947083.

GenomeReviews

Gene locus JW0470 in contig AP009048_GR.
Gene locus b0481 in contig U00096_GR.

KEGG

ecj:JW0470.
eco:b0481.

Organism-specific databases

EchoBASE

EB2348.

EcoGene

EG12454. ybaK.

CMR

Search...

Phylogenomic databases

HOGENOM

P0AAR3.

OMA

P0AAR3. GCSPIGM.

Enzyme and pathway databases

BioCyc

EcoCyc:EG12454-MON.

Family and domain databases

InterPro

IPR004369. CHP00011.
IPR007214. YbaK/aa-tRNA-synth-assoc-reg.
[Graphical view]

Gene3D

G3DSA:3.90.960.10. YbaK/aa-tRNA-synth-assoc-reg. 1 hit.

Pfam

PF04073. YbaK. 1 hit.
[Graphical view]

TIGRFAMs

TIGR00011. YbaK_EbsC. 1 hit.

ProtoNet

Search...

Entry information

Entry name

YBAK_ECOLI

Accession

Primary (citable) accession number: P0AAR3
Secondary accession number(s): P37175, P77281, Q2MBU6

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 11, 2005
Last sequence update:	October 11, 2005
Last modified:	June 16, 2009
This is version 34 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)