B7GXI2 (SYS_ACIB3) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Serine--tRNA ligase
EC=6.1.1.11

Alternative name(s):
Seryl-tRNA synthetase
Short name=SerRS
Seryl-tRNA(Ser/Sec) synthetase

Gene names

Name:	serS
Ordered Locus Names:	ABBFA_000741

Organism

Acinetobacter baumannii (strain AB307-0294) [Complete proteome] [HAMAP]

Taxonomic identifier

557600 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Pseudomonadales › Moraxellaceae › Acinetobacter › Acinetobacter calcoaceticus/baumannii complex

Protein attributes

Sequence length	423 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Catalyzes the attachment of serine to tRNA(Ser). Is also able to aminoacylate tRNA(Sec) with serine, to form the misacylated tRNA L-seryl-tRNA(Sec), which will be further converted into selenocysteinyl-tRNA(Sec) By similarity. HAMAP MF_00176
Catalytic activity	ATP + L-serine + tRNA(Ser) = AMP + diphosphate + L-seryl-tRNA(Ser). HAMAP MF_00176 ATP + L-serine + tRNA(Sec) = AMP + diphosphate + L-seryl-tRNA(Sec). HAMAP MF_00176
Pathway	Aminoacyl-tRNA biosynthesis; selenocysteinyl-tRNA(Sec) biosynthesis; L-seryl-tRNA(Sec) from L-serine and tRNA(Sec): step 1/1. HAMAP MF_00176
Subunit structure	Homodimer. The tRNA molecule binds across the dimer By similarity.
Subcellular location	Cytoplasm By similarity HAMAP MF_00176.
Domain	Consists of two distinct domains, a catalytic core and a N-terminal extension that is involved in tRNA binding By similarity. HAMAP MF_00176
Sequence similarities	Belongs to the class-II aminoacyl-tRNA synthetase family. Type-1 seryl-tRNA synthetase subfamily.

Ontologies

Keywords
Biological process	Protein biosynthesis
Cellular component	Cytoplasm
Ligand	ATP-binding Nucleotide-binding
Molecular function	Aminoacyl-tRNA synthetase Ligase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	seryl-tRNA aminoacylation Inferred from electronic annotation. Source: InterPro
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW serine-tRNA ligase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 423	423	Serine--tRNA ligase HAMAP MF_00176		PRO_1000199462
Regions
	Nucleotide binding	262 – 264	3	ATP By similarity
	Nucleotide binding	349 – 352	4	ATP By similarity
	Region	231 – 233	3	Serine binding By similarity
Sites
	Binding site	285	1	Serine By similarity
	Binding site	384	1	Serine By similarity

Sequences

	Sequence		Length	Mass (Da)
	B7GXI2 [UniParc]. Last modified February 10, 2009. Version 1. Checksum: 1CD981035223A3F4	FASTA	423	47,398
	10 20 30 40 50 60 MIDPKLLRNN IEVVNAGLAK RGVQLDVQEW ASLETRRKDL QSKTEKLQAE RNAGAKQVGQ 70 80 90 100 110 120 IKKSGGDASE IMARMQAIGD EIKAAEVALS ELQNEIEQKA LSIPNLPDES VPAGKDENDN 130 140 150 160 170 180 VEISKWGTPR QFDFEIKDHT DLGEWMGGLE FETATKLTGS RFSVLKGPLA RLQRALTQFM 190 200 210 220 230 240 LDTHTLKNGY TEAYVPYLVN ADSLRGTGQL PKFEEDLFKL QGEKEYYLIP TAEVPVTNFV 250 260 270 280 290 300 RDEIIDADRL PLKYAAHTPC FRSEAGSYGR DTRGLIRQHQ FDKVEMVQIV KPETSMQALE 310 320 330 340 350 360 ELTAHAEGIL QALGLPYRKI LLCGGDMGFG ATKTYDLEVW VPSQNTYREI SSCSNMGDFQ 370 380 390 400 410 420 ARRMKARYRM DQKKTELVHT LNGSGLAVGR TLLAVMENYQ REDGSIEIPE VLRPYMGGAT FID

References

[1]

"Comparative genome sequence analysis of multidrug-resistant Acinetobacter baumannii." Adams M.D., Goglin K., Molyneaux N., Hujer K.M., Lavender H., Jamison J.J., MacDonald I.J., Martin K.M., Russo T., Campagnari A.A., Hujer A.M., Bonomo R.A., Gill S.R. J. Bacteriol. 190:8053-8064(2008) [PubMed: 18931120] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: AB307-0294.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP001172 Genomic DNA. Translation: ACJ57922.1.
RefSeq	YP_002324658.1. NC_011595.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	B7GXI2.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	7058996.
GenomeReviews	Gene locus ABBFA_000741 in contig CP001172_GR.
KEGG	abb:ABBFA_000741.
PATRIC	20703017. VBIAciBau42682_0709.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG629391.
OMA	PKFADDM.
ProtClustDB	PRK05431.
Family and domain databases
HAMAP	MF_00176. Ser_tRNA_synth_type1. [Tree]
InterPro	IPR002314. aa-tRNA-synt_IIb_cons-dom. IPR006195. aa-tRNA-synth_II. IPR002317. Ser-tRNA-synth_IIa. IPR015866. Ser-tRNA-synth_IIa_N. IPR010978. tRNA-bd_arm. [Graphical view]
Gene3D	G3DSA:1.10.287.40. Ser-tRNA-synth_IIa_N. 1 hit.
KO	K01875.
PANTHER	PTHR11778. tRNA-synt_ser. 1 hit.
Pfam	PF02403. Seryl_tRNA_N. 1 hit. PF00587. tRNA-synt_2b. 1 hit. [Graphical view]
PIRSF	PIRSF001529. Ser-tRNA-synth_IIa. 1 hit.
PRINTS	PR00981. TRNASYNTHSER.
SUPFAM	SSF46589. tRNA_binding_arm. 1 hit.
TIGRFAMs	TIGR00414. SerS. 1 hit.
PROSITE	PS50862. AA_TRNA_LIGASE_II. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

SYS_ACIB3

Accession

Primary (citable) accession number: B7GXI2

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	February 10, 2009
Last modified:	January 25, 2012
This is version 22 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program