Q9KYI9 (SSB1_STRCO) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Single-stranded DNA-binding protein 1
Short name=SSB 1

Alternative name(s):
Helix-destabilizing protein 1

Gene names

Name:	ssb1
Ordered Locus Names:	SCO2683
ORF Names:	SCC61A.04c

Organism

Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) [Reference proteome] [HAMAP]

Taxonomic identifier

100226 [NCBI]

Taxonomic lineage

cellular organisms › Bacteria › Actinobacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Streptomycineae › Streptomycetaceae › Streptomyces › Streptomyces coelicolor

Protein attributes

Sequence length	156 AA.
Sequence status	Complete.
Protein existence	Evidence at protein level

General annotation (Comments)

Function	This protein is essential for replication of the chromosome. It is also involved in DNA recombination and repair By similarity.
Sequence similarities	Contains 1 SSB domain.

Ontologies

Keywords
Biological process	DNA damage DNA repair DNA replication
Ligand	DNA-binding
Technical term	3D-structure Complete proteome Reference proteome
Gene Ontology (GO)
Biological_process	DNA repair Inferred from electronic annotation. Source: UniProtKB-KW DNA replication Inferred from electronic annotation. Source: UniProtKB-KW
Molecular_function	single-stranded DNA binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

Feature key

Position(s)

Length

Description

Graphical view

Feature identifier

Molecule processing

Chain

1 – 156

156

Single-stranded DNA-binding protein 1

PRO_0000096115

Regions

Domain

1 – 107

107

SSB

Secondary structure

1

.

.

.

.

.

.

.

.

.

.

.

.

.

.

156

Helix Strand Turn

Details...

Beta strand

5 – 12

8

Beta strand

17 – 21

5

Beta strand

24 – 39

16

Turn

40 – 43

4

Beta strand

44 – 58

15

Helix

59 – 68

10

Beta strand

74 – 88

15

Beta strand

91 – 105

15

Sequences

	Sequence		Length	Mass (Da)
	Q9KYI9 [UniParc]. Last modified October 1, 2000. Version 1. Checksum: 3B5710BFD4D7C692	FASTA	156	16,833
	10 20 30 40 50 60 MNETMICAVG NVATTPVFRD LANGPSVRFR LAVTARYWDR EKNAWTDGHT NFFTVWANRQ 70 80 90 100 110 120 LATNASGSLA VGDPVVVQGR LKVRTDVREG QSRTSADIDA VAIGHDLARG TAAFRRTART 130 140 150 EASTSPPRPE PNWEVPAGGT PGEPVPEQRP DPVPVG

References

[1]

"Complete genome sequence of the model actinomycete Streptomyces coelicolor A3(2)." Bentley S.D., Chater K.F., Cerdeno-Tarraga A.-M., Challis G.L., Thomson N.R., James K.D., Harris D.E., Quail M.A., Kieser H., Harper D., Bateman A., Brown S., Chandra G., Chen C.W., Collins M., Cronin A., Fraser A., Goble A. , Hidalgo J., Hornsby T., Howarth S., Huang C.-H., Kieser T., Larke L., Murphy L.D., Oliver K., O'Neil S., Rabbinowitsch E., Rajandream M.A., Rutherford K.M., Rutter S., Seeger K., Saunders D., Sharp S., Squares R., Squares S., Taylor K., Warren T., Wietzorrek A., Woodward J.R., Barrell B.G., Parkhill J., Hopwood D.A. Nature 417:141-147(2002) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC BAA-471 / A3(2) / M145.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ

AL939113 Genomic DNA. Translation: CAB92249.1.

RefSeq

NP_626917.1. NC_003888.3.

3D structure databases

PDBe
RCSB PDB
PDBj

Entry	Method	Resolution (Å)	Chain	Positions	PDBsum
4DAM	X-ray	1.70	A/B/C/D/E/F/G/H/I/J/K/L	1-116	[»]

ProteinModelPortal

Q9KYI9.

ModBase

Search...

Protein-protein interaction databases

STRING

100226.SCO2683.

Protocols and materials databases

StructuralBiologyKnowledgebase

Search...

Genome annotation databases

EnsemblBacteria

CAB92249; CAB92249; CAB92249.

GeneID

1098117.

KEGG

sco:SCO2683.

PATRIC

23735076. VBIStrCoe124346_2739.

Phylogenomic databases

eggNOG

COG0629.

HOGENOM

HOG000106485.

KO

K03111.

OMA

CWRGLAE.

ProtClustDB

CLSK226535.

Family and domain databases

Gene3D

2.40.50.140. 1 hit.

InterPro

IPR012340. NA-bd_OB-fold.
IPR000424. Primosome_PriB/ssb.
IPR011344. ssDNA-bd.
[Graphical view]

PANTHER

PTHR10302. PTHR10302. 1 hit.

Pfam

PF00436. SSB. 1 hit.
[Graphical view]

PIRSF

PIRSF002070. SSB. 1 hit.

SUPFAM

SSF50249. Nucleic_acid_OB. 1 hit.

PROSITE

PS50935. SSB. 1 hit.
[Graphical view]

ProtoNet

Search...

Entry information

Entry name

SSB1_STRCO

Accession

Primary (citable) accession number: Q9KYI9

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 24, 2003
Last sequence update:	October 1, 2000
Last modified:	May 1, 2013
This is version 68 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program