Non-Binding Transport Protein Precursors

Vitamin B12 transport protein precursor (btuE )

function					not essential for B12 transport, but auxiliary component of the transport system
interaction
regulation
MW					20469 Da; 183 aa

Outer membrane lipoproteins carrier precursor (lolA )

function					translocates lipoproteins from IM to OM
interaction					forms complex with lipoprotein
regulation
MW					22628 Da; 204 aa

TolB protein precursor (tolB )

function					involved in the TonB-independent uptake of a group of colicins
interaction
regulation
structure					PDB
MW					45955 Da; 430 aa

Binding-Proteins

Amino Acid Transport

Lysine-arginine-ornithine-binding protein precursor (argT)

function
interaction					ArgT and HisJ interact with HisP
regulation
MW					27991 Da; 260 aa

Arginine-binding protein 1 precursor (artI )

function					binds arginine
interaction
regulation
MW					26929 Da; 243 aa

Arginine-binding protein 2 precursor (artJ )

function					binds arginine
interaction
regulation
MW					26829 Da; 243 aa

FliY protein precursor (fliY )

function					Cystin binding protein
interaction
regulation					sulfate starvation induced
MW					29039 Da; 266 aa

Glutamine-binding protein precursor (glnH )

function					involved in Gln -transport
interaction
regulation					induction: lack of glutamin
structure					PDB
MW					27190 Da; 248 aa

Glutamate/aspartate periplasmic binding protein (gltI )

function					Part of the binding-protein-dependent transport system for glutamate and aspartate. Binds to both aspartate and glutamate
interaction
regulation
MW					33420 Da; 302 aa

Histidine-binding protein HBP precursor (hisJ )

function					component of high-affinity histidine permease
interaction
regulation
structure					PDB
MW					28483 Da; 260 aa

Leu/Ile/Val-binding protein LIV-BP precursor (livJ )

function					component of leucine, isoleucine, valine (threonine) transport
interaction
regulation
structure					PDB
MW					39046 Da; 367 aa

Leucine-specific binding protein precursor (livK )

function					component of the leucine-specific transport system
interaction
regulation
structure					PDB
MW					39306 Da; 369 aa

Glycine betaine-binding protein precursor (proX )

function					member of multicomponent binding-protein-dependent transport system
interaction
regulation
structure					PDB
MW					36022 Da; 330 aa

Potential binding protein for amino acids (yhdW )

function					Putative amino-acid binding protein
interaction
regulation
MW					37020 Da; 341 aa

Binding Proteins for Iron Transport

Iron^III Dicitrate-binding protein precursor (fecB )

function					binds citrate dependent IronIII
interaction
regulation
MW					33120 Da; 300 aa

Ferrienterobactin-binding protein precursor (fepB )

function					binds ferrienterobactin
interaction
regulation					induction in part controlled by the amount of available iron
MW					34283 Da; 318 aa

Ferrichrome-binding protein precursor (fhuD )

function					involved in high-affinity transport of ironIII -ferrichrome into the cell
interaction
regulation
structure					PDB
MW					32998 Da; 296 aa

Binding Proteins for Peptide Transport

Dipeptide transport protein precursor (dppA)

function					dipeptide-binding, required for chemotaxis
interaction
regulation
structure					PDB
MW					60293 Da; 535 aa

Murein peptide-binding protein precursor (mppA )

function					binds L-alanyl-gamma-d-glutamyl-meso-diaminopimelate with high affinity
interaction
regulation
MW					59900 Da; 537 aa

Oligopeptide-binding protein precursor (oppA )

function					component of the oligopeptide permease, binds oligopeptides up to five amino acids with high affinity
interaction
regulation
MW					60899 Da; 543 aa

Peptide transport protein SapA precursor (sapA )

function					involved in peptide intake transport system that plays a role in resistance to antimicrobial peptides
interaction
regulation
MW					61564 Da; 547 aa

Potential binding protein (yejA )

function
interaction
regulation
MW					69669 Da; 604 aa

Potential binding protein (yddS )

function
interaction
regulation
MW					57641 Da; 516 aa

Potential binding protein (ygiS )

function
interaction
regulation
MW					60694 Da; 535 aa

Binding Proteins for Sugar Transport

D-allose-binding protein precursor (alsB )

function					Part of the binding-protein-dependent transport system alsbac for D-allose
interaction
regulation
structure					PDB
MW					32910 Da; 311 aa aa

L-Arabinose-binding protein precursor (araF )

function					high affinity to arabinose, can also bind D-galactose and D-fucose
interaction
regulation
structure					PDB
MW					35541 Da; 329 aa

D-galactose-binding protein precursor (mglB )

function					involved in the active transport of D-galactose and D-glucose role in chemotaxis
interaction					with Trg chemoreceptor
regulation
structure					PDB
MW					35712 Da; 332 aa

Maltose-binding protein MBP precursor (malE )

function					binds maltoligosaccharides, involved inhigh affinity maltose-transport system, chemotaxis
interaction					with MalF and MalG
regulation
structure					PDB
MW					43387 Da; 396 aa

D-ribose-binding protein precursor (rbsB )

function					high affinity D-ribose transport, primary chemoreceptor for chemotaxis
interaction
regulation
structure					PDB
MW					30950 Da; 296 aa

D-xylose-binding protein precursor (xylF )

function					binds xylose with high affinity
interaction					energized by high-energy phosphate compounds
regulation
MW					35734 Da; 330 aa

Potential binding protein (ycjN )

function
interaction
regulation
MW					46808 Da; 430 aa

Binding Proteins for Sulfate or Sulfonate Transport

Thiosulfate-binding protein precursor (cysP )

function					binding and transmembrane transport
interaction
regulation
MW					37614 Da; 338 aa

Sulfate-binding protein precursor (sbp )

function					specifically binds sulfate, involved in transport
interaction
regulation					sulfate starvation induced
MW					36689 Da; 329 aa

Sulfonate-binding protein precursor SsuA (ssuA )

function					specifically binds aliphatic sulfonates, involved in transport
interaction
regulation					sulfate starvation induced
MW					34557 Da; 319 aa

Other Binding Proteins

BtuF protein precursor (btuF )

function					Vitamin B12 binding protein
interaction
regulation
structure					PDB
MW					29367 Da; 266 aa

Polysialic acid transport protein KpsD precursor (KSD5) (kpsD )

function					involved in translocation of PSA across OM, binds polysaccharide
interaction
regulation
MW					60484 Da; 558 aa

Molybdate-binding protein precursor (modA )

function					binds molybdate with high specificity and affinity
interaction
regulation
structure					PDB
MW					27364 Da; 257 aa

Nickel-binding protein precursor (nikA )

function					probably binds nickel
interaction
regulation
regulation					induction by phosphate deprivation, subject to positive control by PhoB and negative control by PhoR
structure					PDB
MW					58719 Da; 524 aa

Phosphonates-binding protein precursor (phnD )

function					alkylophosphonates binding protein
interaction
regulation
MW					37370 Da; 338 aa

Spermidine/putrescine-binding protein precursor SPBP (potD )

function					polyamine-binding protein
interaction
regulation
					3d-structure
MW					38867 Da; 348 aa

Putrescine-binding protein precursor (potF )

function					polyamine-binding protein
interaction
regulation
MW					40839 Da; 370 aa

Phosphate-binding protein precursor (pstS )

function					BP mediated phosphate transport
interaction
regulation					induction by phosphate deprivation, subject to positive control by PhoB and negative control by PhoR
structure					PDB
MW					37024 Da; 346 aa

Thiamine-binding protein precursor (sfuA/tbpA/yabL )

function					Thiamine binding
interaction
regulation
MW					36163 Da; 327 aa

Taurine-binding protein precursor (tauA )

function
interaction
regulation					sulfate starvation induced
MW					34266 Da; 320 aa

Glycerol-3-phosphate-binding protein precursor (ugpB )

function					sn-glycerol-3-phosphate and glycerophosphoryl diester-binding
interaction					UgpACE
regulation
MW					48452 Da; 438 aa

High-affinity zinc binding protein ZnuA (znuA )

function
interaction
regulation
MW					33777 Da; 310 aa

Binding Proteins of Unknown Function

Potential polyamine binding protein (ydcS )

function
interaction
regulation
MW					42295 Da; 381 aa

Potential choline binding protein (yehz )

function
interaction
regulation
MW					32609 Da; 305 aa

17.3 kD protein in murA-rpoN intergenic region precursor (yhbN )

function
interaction
regulation
MW					20127 Da; 185 aa

Putative binding protein YliB (yliB )

function					Probably part of the binding-protein-dependent transport system yliABCD
interaction
cofactors
regulation
structure					PDB
MW					56470 Da; 512 aa

Potential binding protein (ynjB )

function
interaction
regulation
MW					42844 Da; 388 aa

Hypothetical ABC transporter binding protein YphF precursor (yphF )

function					probably part of a binding-protein-dependent transport system YphDEF potentially transporting a monosaccharide
interaction
regulation
MW					35058 Da; 327 aa

32.1 kD protein in ppa-fbp intergenic region precursor (ytfQ )

function					potential monosaccharide transporter
interaction
regulation
MW					34344 Da; 318 aa