Table 1 Stachelhaus codes for the adenylation domains (A1-A8) of the NRPS gene cluster. The residues are mapped based on positions according to GrsA-Phe numbering. The predicted activated AAs are listed in column 3

A₁

M2

Ala

D

V

A

T

I

T

A

I

A₂

M3

Glu

D

V

T

H

S

G

S

V

A₃

M4

Asn

D

V

S

N

V

G

S

I

A₄

M5

Ser

D

V

Q

T

V

M

A

I

A₅

M6

Ser

D

V

Q

T

V

M

A

I

A₆

M7

Ser

D

V

Q

T

V

M

A

I

A₇

M8

Thr

D

A

Q

T

I

M

A

I

A₈

M9

Gly

D

V

S

N

V

I

G

I