1SMT


Conserved Protein Domain Family
HTH_ARSR

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cd00090: HTH_ARSR 
Click on image for an interactive view with Cn3D
Arsenical Resistance Operon Repressor and similar prokaryotic, metal regulated homodimeric repressors. ARSR subfamily of helix-turn-helix bacterial transcription regulatory proteins (winged helix topology). Includes several proteins that appear to dissociate from DNA in the presence of metal ions.
Statistics
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PSSM-Id: 238042
Aligned: 178 rows
Threshold Bit Score: 37.2782
Created: 1-Nov-2000
Updated: 2-Oct-2020
Structure
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Program:
Drawing:
Aligned Rows:
 
Conserved site includes 18 residues -Click on image for an interactive view with Cn3D
Feature 1:dimerization interface [polypeptide binding site]
Evidence:
  • Structure:1SMT_B; dimer interace of SmtB repressor
  • Citation:PMID 9466913

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
Feature 1     ## #   #  ##  ##  #                               #                            #
1SMT_B     40 FAVLa-dPNRLRLLSLLARSe-LCVGDLAQAIGv-SESAVSHQLRSLRNLRLVSYRKqg------rhVYYQLqd----hH 106 Synechococcus PCC7942
7429352    49 CTGIs--QSRLELLTLLYHAdeISQSDLQKKVNi-DSAAVTRHLKQLESKGMVSRRRkped---nriTLVRLt-----dQ 117 Bacillus subtilis
7469653    27 LSSSh--STKEDILCYLLKEgqGSAIAMAEELGi-SPQAMRKHLKDLENDGLIEHQQerqsm-grpqFLYQLskq-greQ 101 Synechocystis sp.
NP_241507   6 ADLLl-hPVRMRIIQAIMSKkpMSPLELLEVLQdvPQATLYRQIKVLEDADILRVVSthkrr-galeKVYGId-----qE 78  Bacillus halodurans
NP_242735  13 YEALa-sKVRLAIIQQLTRKs-MNIRELAEAVGl-SSAIMTMHIKKLEKAGIIRTEMvpgka-giqkLCILDt-----dH 83  Bacillus halodurans
NP_294723  19 GSPPe--RTKTRLLELLKRHgpQTAQDLAARLRv-TSPAARRHLTDLQAQGLVQVQVekpggrgrpqHVFGLtehaeerT 95  Deinococcus radiod...
NP_346486  23 EKRLgisLTRYQILLFLLEHspCNQMAVQERLKi-DQAALTRHFKILETEGLVERHRnpen---qreVLVEAaky-akeQ 97  Streptococcus pneu...
NP_437581  17 VQALg-sATRIEILNLLRLKgpLNVNEIATHMGl-PQSTTATNLKSLERAGLIQTHTmkatk-gnqkICSSIy-----gE 88  Sinorhizobium meli...
NP_615180  42 TQILs-nETSLKILELLGKKs-MSATNIAEELKl-PLTTVKYNLDSLVESDLIKVKQikws---qkgRQVKIyes--veK 113 Methanosarcina ace...
NP_618473  26 ARTLs-rPLPMQILKQLQKKq-MSASELASELGl-RLNTLTYNLEVLKKVGLIKVRKvkws---ckgREVKIyap--aeQ 97  Methanosarcina ace...
Feature 1     # ### ### 
1SMT_B    107 IVALYQNALD 116 Synechococcus PCC7942
7429352   118 GRERIESSKK 127 Bacillus subtilis
7469653   102 FPQRYGEFAL 111 Synechocystis sp.
NP_241507  79 TLHIPDDELE 88  Bacillus halodurans
NP_242735  84 IEINFPPKKE 93  Bacillus halodurans
NP_294723  96 FPKTYASLCL 105 Deinococcus radiodurans
NP_346486  98 LVVNPPLQHI 107 Streptococcus pneumoniae TIGR4
NP_437581  89 ILIRFDDRTN 98  Sinorhizobium meliloti
NP_615180 114 LIVLVPSRSP 123 Methanosarcina acetivorans C2A
NP_618473  98 PVLLVPRENR 107 Methanosarcina acetivorans C2A

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