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Table 3 Comparison of the properties of purified M. acetivorans IscU2

From: Methanosarcina acetivorans contains a functional ISC system for iron-sulfur cluster biogenesis

Protein

A438/A280

ε438 (mM−1 cm− 1)

Irona

Sulfideb

IscU2

0.10

0.90

0.57 ± 0.06

0.44 ± 0.04

IscU2C-FeS

0.26

6.07

2.47 ± 0.11

1.99 ± 0.24

IscU2S-FeS

0.27

5.91

3.15 ± 0.24

3.15 ± 0.39

  1. a nmol iron/nmol of IscU2
  2. b nmol acid-labile sulfide/nmol of IscU2
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BMC Microbiology

ISSN: 1471-2180

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