Conserved Protein Domain Family
OapB

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pfam09846: OapB 
Origin-associated protein OapB
This entry includes archaeal proteins whose function is unclear. Some members of this entry have been described as OapB/Arvb, encoded by oapB gene which is part of the three-gene cluster oapABC, involved in generation of extracellular vesicles (arv, archaeal vesiculating GTAse). It has been suggested that OapB/ArvB could be a guanine nucleotide exchange factor (GEF), however, further experimental research is required to confirm this.
Statistics
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PSSM-Id: 490684
Aligned: 18 rows
Threshold Bit Score: 128.95
Created: 15-Feb-2025
Updated: 28-Apr-2025
Structure
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Aligned Rows:
PubMed ReferencesClick to see Conserved Features Help

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
WP_004076546     15 LENLTSLEKIRMILEKVIDGNVVVLEKGLTPDEQSLLIETTMREIKPDGFAGIEMETYSSESAthqksGGLFSGLFGKKE 94  Methanoplanu...
sklmb:Mhar_2033   9 LESMSSMEKIRLILSKVKRGNIVVLELGLTPEEEVKLIEMTMTEIRLDEFSGIEIESYPVKNE-----STFLNKILGKSG 83 
A0B8H5           14 LNRMTSMEKIRLILDKVKTGRIVVLESGLTPEEEVRLIEMTMTEIRVDEFSGIEIESYPAKRE-----GSFVSRILGRGS 88  Methanothrix...
Q0W3K3           13 LSALSSADKISLILEDVKRGQIVILENGLDPFEEARLIESTMAQIG-EVFSGIEIQSYPHQQQ-----RSWLERLVKK-- 84  uncultured m...
jgi:Metho_0201   16 LAEMAPVEKVRFIIDEVRSGKILVLEKGLTPEEEASLIEMTMTLIDPDGFTGIEMESYPSKDD-----TSIFGKLLKKHT 90 
jgi:Mzhil_1922    9 LSEMTPIEKVRFIIDEVKKGKILVLEKGLSPAEEATLIEMTMTLIQPDDFSGIEMESYPAENN-----SSFLGKLFKKKH 83 
jgi:Metev_1772    9 LSGMNPVEKVRFIIDEVKKDKVLVLEKGLTPDEEANLIEMTMTKIQPDGFSGIEMESYPAQSG-----NSIINKLFNKGG 83 
1_pfamImport      1 LARMSPVEKVRFIIDEVKNGKILVLERGLSPEEEANLIEMTMTQIAPDEFSGIEMETYPAHET-----KSFLGKLFNKG- 74 
WP_013682947     14 LDKMASMEKIRMILDEVKSGKIVVLESGLTPEEEAKLIELTMLEIDHENFVGIEVESYPQKSK------GFFDKLFGK-- 85  Archaeoglobu...
jgi:Mfer_0712    16 LNKKTSMEKISMILEKVKNGNILVIEGGLSPTEEAELIETTMREIDTENFIGIDIQKFEKNKK----------SFLGFSS 85 
WP_004076546     95 nTSGRMTVIGPANQMKTLKKDKNLISAWVS 124 Methanoplanus limicola
sklmb:Mhar_2033  84 -IKTRMTVIGPANQLRTVEKDKYQISTKVS 112
A0B8H5           89 -SKGRMTVIGPANQLRTVEKDQYQISTKVS 117 Methanothrix thermoacetophila PT
Q0W3K3           85 -DIRRMTVIGPADRMKTIRCEKDMISALIS 113 uncultured methanogenic archaeon
jgi:Metho_0201   91 -VRTRLTVVGPADQLKTLKKDRNMISALLS 119
jgi:Mzhil_1922   84 -VRTRMTVIGPANQLKTLKKDRNMISALVS 112
jgi:Metev_1772   84 -HRTRLTIIGPANQLKTLKKDRDLITTLLS 112
1_pfamImport     75 -PKGRLTLIGPADQLKTLKKDRDMITALVS 103
WP_013682947     86 -SKGRLTVIGPANRLKTLQKRDDLITALVQ 114 Archaeoglobus veneficus
jgi:Mfer_0712    86 kKDVKFTIIGPANIMKTVKRKPNFLS--IV 113
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