┌─ Escherichia coli (1-114/116) K12 (116) ┌┴─ fig|6666666.5357.peg.2410 TY-2482 (5-118/120) strain ┌┴─ Escherichia coli (5-118/120) SMS-3-5 ┌────────────────────────────────────────────────────────────────┴─ Escherichia coli (5-118/120) 536 (14) ┤ ┌─ Escherichia coli (19-131/131) O157:H7 str. EC4486 (25) └────────────────────────────────────────────────────────────────┤ ┌─ Escherichia coli K12 (53) └┬┴─ Escherichia coli FVEC1302 (3) └┬─ Escherichia coli M605 └┬─ Escherichia coli 83972 (1) └─ Escherichia coli (19-131/131) O127:H6 str. E2348/69 (44)
| [NiFe] hydrogenase nickel incorporation protein HybF | (6) |
| [NiFe] hydrogenase nickel incorporation protein HypA | (3) |
| Others | (1) |