6HUM


Conserved Protein Domain Family
NdhS

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pfam11623: NdhS (491985 is an unknown moldel)
NAD(P)H dehydrogenase subunit S
This family is found in Bacteria and Streptophyta includes members such as NdhS (NAD(P)H-quinone oxidoreductase subunit S). NdhS, also known as CRR31 (chlororespiratory reduction 31), is a subunit of the chloroplast NADH dehydrogenase-like (NDH) complex. It is also a subunit of the cyanobacterial NDH-1 complex. NAD(P)H-oxidizing subunits have not been found in chloroplasts or cyanobacteria, where ferredoxin is probably the electron donor. NdhS contributes to the formation of a ferredoxin binding site of NDH and is necessary for high affinity binding of ferredoxin. The cyanobacterial NDH-1 complex, also known as NADPH:plastoquinone oxidoreductase or type I NAD(P)H dehydrogenase, is involved in plastoquinone reduction and cyclic electron transfer (CET) around photosystem I. The chloroplast NDH is more similar to cyanobacterial NDH-1, which is believed to be the origin of chloroplast NDH, than to mitochondrial NADH dehydrogenase present in the same species. The NDH complexes of chloroplasts, however, contain many subunits that are absent from cyanobacterial NDH-1 complexes.
Statistics
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PSSM-Id: 491985
Aligned: 21 rows
Threshold Bit Score: 91.9936
Created: 21-Aug-2024
Updated: 4-Dec-2024
Structure
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Program:
Drawing:
Aligned Rows:
PubMed ReferencesClick to see Conserved Features Help

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
6HUM_S        45 ILPGMTVKVTNPNDTYYQFQGIVQRITDGKVAVLFEGGNWDKLVTFQASELE 96  Thermosynechococcus vestitus BP-1
Q7V9R5         8 ILPGSSVKVNNPSSIYNGYKGFVQRIAENKAAVLFEGGNWDKLLTIPINELE 59  Prochlorococcus marinus
CAK27039       4 ILPGSTVRVSDGRSIYNGYQGFVQRISGDRAAVLFEGGNWDKLVTLPLKTLT 55 
Q46IK8         8 ILPGTTVTVNNQDSIYNGYEGFVQRISGDKAAVLFEGGNWDKLLTLPLKDLK 59  Prochlorococcus marinus str. NATL2A
WP_012953866   3 ILPGTTVKIINSDDIYYCFEGLVQRVSDGKAAVLFEGGNWSKLVTFPLSEIE 54  Candidatus Atelocyanobacterium thalassa
XP_004983427 144 FLPGMVVLVKNPNNAYHMYCGIVQRVTDGKVAVLFEGGNWDRLITFNLDELE 195
XP_009389542 162 FLPGMIVIVKNPKSPFYMYSGVVQRVTDGKAGVLFEGGNWDKLLTFDLSELE 213
XP_002973360 166 LMPGMTVIVKNPKNPYYMYTGILQRVTDGRAGILLEGGCWDKMLAIELKDLE 217
XP_002867685 169 LMPGMIAIVKNQNSPYHMYCGIVQRITDGKAGVLFEGGNWDRLITFRLEELE 220
WP_015195246   4 ILPGTTVKVINPDDTYYKFQGLVQRIDDNRVAVLFEGGNWDKLITFKLSELE 55  Stanieria cyanosphaera
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