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Table 1 Predicted function and/or characteristics of the putative proteins encoded by the ORFs present in the hox chromosome region of Lyngbya majucula CCAP 1446/4

From: Transcription profiles of hydrogenases related genes in the cyanobacterium Lyngbya majuscula CCAP 1446/4

ORF

Putative function/characteristics of the encoded protein

ORF13 (partial)

POR_N, pfam01855: Pyruvate flavodoxin/ferredoxin oxidoreductase, thiamine diP-dinding domain; belongs to NifJ (nitrogen fixation) family

hoxE

PRK07571: Bidirectional hydrogenase complex protein HoxE

hoxF

PRK11278: NADH dehydrogenase I subunit F

Hcp

cd01914: H ybrid c luster p rotein (prismane protein); hydroxylamine reductase activity and possible role the nitrogen metabolism; specific function unknown

hoxU

PRK07569: Bidirectional hydrogenase complex protein HoxU

hoxY

COG3260: NiFe-hydrogenase small subunit

hoxH

COG3261: NiFe-hydrogenase large subunit

ORF14

Hypothetical protein; 3 predicted transmembrane helixes

xisH

pfam08814: XisH, required for excision of a DNA element within fdxN

xisI

pfam08869: XisI, required for excision of a DNA element within fdxN

ORF15

Hypothetical protein; no putative conserved domains detected, nor relevant homologies found in cyanobacteria

ORF16

Hypothetical protein; no putative conserved domains detected, nor relevant homologies found in cyanobacteria

hoxW

COG0680: NiFe-hydrogenase maturation factor

cl00477: HycI, hydrogenase maturation protease

ORF17

DUF820, pfam05685: hypothetical protein; conserved in cyanobacteria

COG4636, Uma2 family: Restriction endonuclease fold

ORF18

COG4067: hypothetical protein; conserved in Archaea [Posttranslational modification, protein turnover, chaperones]

DUF785, pfam05618: hypothetical protein

ORF19 (partial)

DUF1400, pfam07176: Alpha/beta hydrolase of unknown function