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Table 2 Variations within genes related to substrate uptake, membrane permeability and secretion

From: Comparative genomics and transcriptional profiles of Saccharopolyspora erythraea NRRL 2338 and a classically improved erythromycin over-producing strain

Gene locus in NRRL 2338

Length (amino acids)

Gene/locus

Variationa

Protein function and notes

Transport system

SACE_0429

646

 

Missense (P416L)

ABC-type transport system, permease component

SACE_0924

482

 

Frameshift (-C212;-C 221;-C 228; -G 264; -G 273)

Extracellular solute binding protein

SACE_0925

337

 

1PM

ABC-type transport system, permease component

SACE_0926

284

 

Missense (V18M, A89T)

ABC-type sugar transport system, permease component

SACE_0991

300

 

Frameshift (-G 370)

Dipeptide transport system permease

SACE_1587

297

 

Frameshift (-C 585)

Sugar transport system permease

SACE_1969

152

 

Missense (L90R)

Twin-arginine translocation pathway signal

SACE_2131

278

 

Missense (L275F)

Permease of the drug/metabolite transporter (DMT) superfamily

SACE_2701

276

 

Frameshift (-C 750)

ABC-type transport system, ATP binding component

SACE_3038

545

 

Frameshift (+C 1407/1408)

ABC-type transport system, ATP binding component

SACE_3524

489

 

Frameshift (+G 976/977)

Permease of the major facilitator superfamily

SACE_4034

426

 

Missense (L221P)

Permease of the major facilitator superfamily

SACE_4066

343

 

Frameshift (+C 268/269)

C4 dicarboxylate transporter/malic acid transport protein

SACE_4307

309

 

Missense (A90T)

Integral membrane transport protein

SACE_4347

555

 

Missense (A277G)

Sodium:solute symporter

SACE_4454

466

 

Missense (G348S)

Permease of the major facilitator superfamily

SACE_4982

407

 

Missense (L145F)

Integral membrane transport protein

SACE_5435

688

 

Missense and in frame deletion (N244T, G245A, A246P, D247D, R248A, L249A, H250R, G251R, G252L, L253T, Q255C, L256A, Q258H, A259R, T260G, L263-, P264-, T254S)

ABC-type transport system, permease component

SACE_5787

318

 

Missense (G300R)

Dipeptide ABC transporter, ATP-binding protein

SACE_6087

200

kdpC

IPM

Potassium-transporting ATPase, C chain

SACE_6246

229

 

Missense (R206C)

Phosphoenolpyruvate-protein phosphotransferase

SACE_6319

455

 

Frameshift (-C 1095)

Permease of the major facilitator superfamily

SACE_6323

315

 

Frameshift

(-AT 913 and 914)

Dipeptide/oligopeptide/Nichel ABC transporter, permease component

SACE_6326

444

 

Frameshift (-G 1036)

Permease of the major facilitator superfamily

SACE_6578

364

 

Missense (G270R)

ABC-type sugar transport system, permease component

SACE_6927

392

 

Missense (P121L)

Permease of the drug/metabolite transporter (DMT) superfamily

SACE_6972

314

 

Missense (L224F)

Permease of the major facilitator superfamily

SACE_7047

403

 

Frameshift (+T 654/655)

Major facilitator superfamily sugar transporter

SACE_7202

327

 

Frameshift (+C 873/874)

Integral membrane transport protein

Exo-enzymes

SACE_1076

326

chiA2

Nonsense (W315*)

Chitinase A

SACE_3366

364

 

Insertion of SACE-2828 (transposase)

Feruloyl esterase

SACE_3961

296

 

Missense (W21C)

Phospholipase D/diacylglycerol kinase

SACE_6961

263

 

Frameshift (-C 729)

Phospholipase D/diacylglycerol kinase

Membrane and cell wall structures/enzymes

SACE_1186

202

 

Frameshift (+C 84/85)

Lipoprotein

SACE_2081

178

 

Missense (G62D)

Integral membrane protein

SACE_2338

338

 

Missense (P299R)

Membrane-bound lytic murein transglycosylase B

SACE_4420

192

 

Frameshift (-C 79)

Lipoprotein

SACE_5285

645

 

Frameshift (-T 29, +C 1890/1891)

Lipoprotein

  1. aIPM, imperfect match