Detailed information NTG0000658

Experimentally validated

Overview

• Name: hexA
• Type: Machinery gene
• Locus tag: SPR_RS09625
• Genome accession: NC_003098
• Coordinates: 1865872..1868406 (-)
• Length: 844 a.a.
• NCBI ID: WP_000963680.1
• Uniprot ID: A4L7L6
• Organism: Streptococcus pneumoniae R6
• Function: DNA mismatch repair Homologous recombination

Function

Generation of a mutator phenotype in S. pneumoniae through deletions of mutX, hexA or hexB enhanced the expression of competence.

Genomic Context

Location: 1860872..1873406

Locus tag	Gene name	Coordinates (strand)	Size (bp)	Protein ID	Product	Description
SPR_RS09610 (spr1885)	patB	1861478..1863244 (-)	1767	WP_000859871.1	multidrug efflux ABC transporter subunit PatB	-
SPR_RS10885	-	1863432..1863881 (+)	450	Protein_1857	transposase	-
SPR_RS09620 (spr1887)	patA	1864031..1865725 (-)	1695	WP_000908156.1	multidrug efflux ABC transporter subunit PatA	-
SPR_RS09625 (spr1888)	hexA	1865872..1868406 (-)	2535	WP_000963680.1	DNA mismatch repair protein MutS	Machinery gene
SPR_RS09630 (spr1889)	argR	1868457..1868903 (-)	447	WP_001231472.1	arginine repressor	-
SPR_RS09635 (spr1890)	argS	1869051..1870742 (+)	1692	WP_001092739.1	arginine--tRNA ligase	-
SPR_RS09640 (spr1891)	-	1871057..1871615 (-)	559	Protein_1862	transposase	-
SPR_RS09645 (spr1892)	-	1871610..1872086 (+)	477	WP_000356601.1	cupin domain-containing protein	-
SPR_RS09650 (spr1893)	-	1872170..1872877 (+)	708	WP_000166475.1	response regulator transcription factor	-

Sequence

Protein

• Length: 844 a.a.
• Molecular weight: 94848.36 Da
• Isoelectric Point: 4.9494

>NTDB_id=658 SPR_RS09625 WP_000963680.1 1865872..1868406(-) (hexA) [Streptococcus pneumoniae R6]
MAIEKLSPGMQQYVDIKKQYPDAFLLFRMGDFYELFYEDAVNAAQILEISLTSRNKNADNPIPMAGVPYHSAQQYIDVLI
EQGYKVAIAEQMEDPKQAVGVVKREVVQVITPGTVVDSSKPDSQNNFLVSIDREGNQFGLAYMDLVTGDFYVTGLLDFTL
VCGEIRNLKAREVVLGYDLSEEEEQILSRQMNLVLSYEKESFEDLHLLDLRLATVEQTASSKLLQYVHRTQMRELNHLKP
VIRYEIKDFLQMDYATKASLDLVENARSGKKQGSLFWLLDETKTAMGMRLLRSWIHRPLIDKERIVQRQEVVQVFLDHFF
ERSDLTDSLKGVYDIERLASRVSFGKTNPKDLLQLATTLSSVPRIRAILEGMEQPTLAYLIAQLDAIPELESLISAAIAP
EAPHVITDGGIIRTGFDETLDKYRCVLREGTSWIAEIEAKERENSGISTLKIDYNKKDGYYFHVTNSQLGNVPAHFFRKA
TLKNSERFGTEELARIEGDMLEAREKSANLEYEIFMRIREEVGKYIQRLQALAQGIATVDVLQSLAVVAETQHLIRPEFG
DDSQIDIRKGRHAVVEKVMGAQTYIPNTIQMAEDTSIQLVTGPNMSGKSTYMRQLAMTAVMAQLGSYVPAESAHLPIFDA
IFTRIGAADDLVSGQSTFMVEMMEANNAISHATKNSLILFDELGRGTATYDGMALAQSIIEYIHEHIGAKTLFATHYHEL
TSLESSLQHLVNVHVATLEQDGQVTFLHKIEPGPADKSYGIHVAKIAGLPADLLARADKILTQLENQGTESPPPMRQTSA
VTEQISLFDRAEEHPILAELAKLDVYNMTPMQVMNVLVELKQKL

Nucleotide

• Length: 2535 bp

>NTDB_id=658 SPR_RS09625 WP_000963680.1 1865872..1868406(-) (hexA) [Streptococcus pneumoniae R6]
ATGGCGATAGAAAAGCTATCACCCGGCATGCAACAGTATGTGGATATTAAAAAGCAATATCCAGATGCTTTTTTGCTCTT
TCGGATGGGTGATTTTTATGAATTATTTTATGAGGATGCGGTCAATGCTGCGCAGATTCTGGAAATTTCCTTAACGAGTC
GCAACAAGAATGCCGACAATCCGATCCCTATGGCGGGTGTTCCCTATCATTCTGCCCAACAGTATATCGATGTCTTGATT
GAGCAGGGTTATAAGGTGGCTATCGCAGAGCAGATGGAAGATCCTAAACAAGCAGTTGGGGTTGTTAAACGAGAGGTTGT
TCAGGTCATTACGCCAGGGACAGTGGTCGATAGCAGTAAGCCGGACAGTCAGAATAATTTTTTGGTTTCCATAGACCGCG
AAGGCAATCAATTTGGCCTAGCTTATATGGATTTGGTGACGGGTGACTTTTATGTGACAGGTCTTTTGGATTTCACGCTG
GTTTGTGGGGAAATCCGTAACCTCAAGGCTCGAGAAGTGGTGTTGGGTTATGACTTGTCTGAGGAAGAAGAACAAATCCT
CAGCCGCCAGATGAATCTGGTACTCTCTTATGAAAAAGAAAGCTTTGAAGACCTTCATTTATTGGATTTGCGATTGGCAA
CGGTGGAGCAAACGGCATCTAGTAAGCTGCTCCAGTATGTTCATCGGACTCAGATGAGGGAATTGAACCACCTCAAACCT
GTTATCCGCTACGAAATTAAGGATTTCTTGCAGATGGATTATGCGACCAAGGCTAGTCTGGATTTGGTTGAGAATGCTCG
CTCAGGTAAGAAACAAGGCAGTCTTTTCTGGCTTTTGGATGAAACCAAAACGGCTATGGGGATGCGTCTCTTGCGTTCTT
GGATTCATCGCCCCTTGATTGATAAGGAACGAATCGTCCAACGTCAAGAAGTAGTGCAGGTCTTTCTCGACCATTTCTTT
GAGCGTAGTGACTTGACAGACAGTCTCAAGGGTGTTTATGACATTGAGCGCTTGGCTAGTCGTGTTTCTTTTGGCAAAAC
CAATCCAAAGGATCTCTTGCAGTTGGCGACTACCTTGTCTAGTGTGCCACGGATTCGTGCGATTTTAGAAGGGATGGAGC
AACCTACTCTAGCCTATCTCATCGCACAACTGGATGCAATCCCTGAGTTGGAGAGTTTGATTAGCGCAGCGATTGCTCCT
GAAGCTCCTCATGTGATTACAGATGGGGGAATTATCCGGACTGGATTTGATGAGACTTTAGACAAGTATCGTTGCGTTCT
CAGAGAAGGGACTAGCTGGATTGCTGAGATTGAGGCTAAGGAGCGAGAAAACTCTGGTATCAGCACGCTCAAGATTGACT
ACAATAAAAAGGATGGCTACTATTTTCATGTGACCAATTCGCAACTGGGAAATGTGCCAGCCCACTTTTTCCGCAAGGCG
ACGCTGAAAAACTCAGAACGCTTTGGAACCGAAGAATTAGCCCGTATCGAGGGAGATATGCTTGAGGCGCGTGAGAAGTC
AGCCAACCTCGAATACGAAATATTTATGCGCATTCGTGAAGAGGTCGGCAAGTACATCCAGCGTTTACAAGCTCTAGCCC
AAGGAATTGCGACGGTTGATGTCTTACAGAGTCTGGCGGTTGTGGCTGAAACCCAGCATTTGATTCGACCTGAGTTTGGT
GACGATTCACAAATTGATATCCGGAAAGGGCGCCATGCTGTCGTTGAAAAGGTTATGGGGGCTCAGACCTATATTCCAAA
TACGATTCAGATGGCAGAAGATACCAGTATTCAATTGGTTACAGGGCCAAACATGAGTGGGAAGTCTACCTATATGCGTC
AGTTAGCCATGACGGCGGTTATGGCCCAGCTGGGTTCCTATGTTCCTGCTGAAAGCGCCCATTTACCGATTTTTGATGCG
ATTTTTACCCGTATCGGAGCAGCAGATGACTTGGTTTCGGGTCAGTCAACCTTTATGGTGGAGATGATGGAGGCCAATAA
TGCCATTTCGCATGCGACCAAGAACTCTCTCATTCTCTTTGATGAATTGGGACGTGGAACTGCAACTTATGACGGGATGG
CTCTTGCTCAGTCCATCATCGAATATATCCATGAGCACATCGGAGCTAAGACCCTCTTTGCGACCCACTACCATGAGTTG
ACTAGTCTGGAGTCTAGTTTACAACACTTGGTCAATGTCCACGTGGCAACTTTGGAGCAGGATGGGCAGGTCACCTTCCT
TCACAAGATTGAACCGGGACCAGCTGATAAATCCTACGGTATCCATGTTGCCAAGATTGCTGGCTTGCCAGCAGACCTTT
TAGCAAGGGCGGATAAGATTTTGACTCAGCTAGAGAATCAAGGAACAGAGAGTCCTCCTCCCATGAGACAAACTAGTGCT
GTCACTGAACAGATTTCACTCTTTGATAGGGCAGAAGAGCATCCTATCCTAGCAGAATTAGCTAAACTGGATGTGTATAA
TATGACACCTATGCAGGTTATGAATGTCTTAGTAGAGTTAAAACAGAAACTATAA

Domains

Predicted by InterProScan.

• MutS domain III (MutS_III) (256-546)

• MutS domain II (MutS_II) (126-239)

• MutS domain V (MutS_V) (599-785)

• MutS domain I (MutS_I) (8-118)

• MutS family domain IV (MutS_IV) (415-505)

3D structure

• AlphaFold DB: A4L7L6

Similar proteins

Only experimentally validated proteins are listed.

Protein	Organism	Identities (%)	Coverage (%)	Ha-value
mutS	Pseudomonas stutzeri strain ATCC 17587	36.417	100	0.368

References

• [1]: Alyssa L Gagne et al. (2013) Competence in Streptococcus pneumoniae is a response to an increasing mutational burden. PloS One 8(8):e72613. [PMID: 23967325]
• [2]: O Humbert et al. (1995) Homeologous recombination and mismatch repair during transformation in Streptococcus pneumoniae: saturation of the Hex mismatch repair system. Proceedings of The National Academy of Sciences of The United States of America 92(20):9052-6. [PMID: 7568071]
• [3]: S D Priebe et al. (1988) Nucleotide sequence of the hexA gene for DNA mismatch repair in Streptococcus pneumoniae and homology of hexA to mutS of Escherichia coli and Salmonella typhimurium. Journal of Bacteriology 170(1):190-6. [PMID: 3275608]