Legend

%id Code Chains Pic Error? Sym Nsub Sprot Weight Ref H E R Org Fun
% seq. id. PDB Code query & target Graph picture Is the current PDB state judged to be an error? Symmetry No. subunits SwissProt link No. of amino acids (per chain) Pubmed ID Get Homologs Edit Structure View structure Organism Function
NOTE: roll over NO, PROBNOT or YES, PROBYES to read PiQSi annotation, and roll over the PDB name to read its title.

Protein reference

Code Pic Error? Sym1 Nsub1 Sym2 Nsub2 Error_auto? Sym_auto Nsub_auto SProt Weight Ref H E R Org Fun
PDBPiQSi
5tfc_1? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE

Homologs

%id Code Chains Pic Error? Sym1 Nsub1 Sym2 Nsub2 Error_auto Sym_auto Nsub_auto SProt Weight Ref H E R Org Fun
1002pze_1A & A? NPS1??YES C22P13569229PHERHomo sapiensHYDROLASE
1002pze_2A & B? NPS1??YES C22P13569229PHERHomo sapiensHYDROLASE
1005tf7_1A & A? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE
1005tf8_1A & A? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE
1005tfa_1A & A? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE
1005tfb_1A & A? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE
1005tfd_1A & A? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE
1005tff_1A & A? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE
1005tfg_1A & A? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE
1005tfi_1A & A? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE
1005tfj_1A & A? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE
1005tgk_1A & A? NPS1??PROBYES2 C22P13569229PHERHomo sapiensHYDROLASE
992pzf_1A & A? NPS1??PROBYES2 C22P13569228PHERHomo sapiensHYDROLASE
992pzf_2A & B? NPS1??PROBYES2 C22P13569228PHERHomo sapiensHYDROLASE
992pzf_3A & A? C22??NO C22P13569228PHERHomo sapiensHYDROLASE
992pzg_1A & A? NPS1??PROBYES2 C22P13569241PHERHomo sapiensHydrolase
992pzg_2A & B? NPS1??PROBYES2 C22P13569241PHERHomo sapiensHydrolase
402cbz_1A & A? NPS1??? 2CBZ237PHERHOMO SAPIENSTRANSPORT
404c3z_1A & A? NPS1??? P33527266PHERHOMO SAPIENSTRANSPORT PROTEIN
376bzs_1A & A? NPS1??? O95255238PHERHomo sapiensTRANSPORT PROTEIN
324q7k_1A & A? NPS1??? Q9WYC3250PHERThermotoga maritimaMETAL BINDING PROTEIN
325x7k_1A & A? NPS1??? Q54456268PHERSerratia marcescensTRANSPORT PROTEIN
325x7k_2A & B? NPS1??? Q54456268PHERSerratia marcescensTRANSPORT PROTEIN
313fvq_1A & B? C22??NO C22Q5FA19359PHERNeisseria gonorrhoeaeHYDROLASE
314q7l_1A & A? NPS1??? Q9WYC4256PHERThermotoga maritimaMETAL BINDING PROTEIN
314q7l_2A & B? NPS1??? Q9WYC4256PHERThermotoga maritimaMETAL BINDING PROTEIN
314q7l_3A & C? NPS1??? Q9WYC4256PHERThermotoga maritimaMETAL BINDING PROTEIN
314q7m_1A & B? NPS1??? Q9WYC4271PHERThermotoga maritimaMETAL BINDING PROTEIN
302ghi_1A & A? NPS1??? Q7RBT4260PHERPlasmodium yoelii yoelii str. 17XNLTRANSPORT PROTEIN
302ghi_2A & B? NPS1??? Q7RBT4260PHERPlasmodium yoelii yoelii str. 17XNLTRANSPORT PROTEIN
302ghi_3A & C? NPS1??? Q7RBT4260PHERPlasmodium yoelii yoelii str. 17XNLTRANSPORT PROTEIN
302ghi_4A & D? NPS1??? Q7RBT4260PHERPlasmodium yoelii yoelii str. 17XNLTRANSPORT PROTEIN
303nh6_1A & A? NPS1??? Q9NP58306PHERHomo sapiensTRANSPORT PROTEIN
303nh9_1A & A? NPS1??? Q9NP58306PHERHomo sapiensTRANSPORT PROTEIN
303nha_1A & A? NPS1??? Q9NP58306PHERHomo sapiensTRANSPORT PROTEIN
303nhb_1A & A? NPS1??? Q9NP58306PHERHomo sapiensTRANSPORT PROTEIN
305idv_1A & A? NPS1??? A0A0Q2LVW2279PHERAcinetobacter baumannii AB5075TRANSPORT PROTEIN
305idv_2A & B? C22??? A0A0Q2LVW2279PHERAcinetobacter baumannii AB5075TRANSPORT PROTEIN
291f3o_1A & BYES C22NPS1PROBYES3 C22Q58206235PHERMethanocaldococcus jannaschiiSTRUCTURAL GENOMICS
291l2t_1A & ANO C22C22PROBNOT C22Q58206235PHERMethanocaldococcus jannaschiiTRANSPORT PROTEIN
291l2t_2A & DYES D24C22NA1 D24Q58206235PHERMethanocaldococcus jannaschiiTRANSPORT PROTEIN
293tif_1A & B? C22??PROBNOT C22Q58206235PHERMethanocaldococcus jannaschii DSM 2661RNA BINDING PROTEIN
293tif_2A & B? D24??NA1 D24Q58206235PHERMethanocaldococcus jannaschii DSM 2661RNA BINDING PROTEIN
293vx4_1A & D? C22??PROBNOT C22Q8DW05273PHERStreptococcus mutansTRANSPORT PROTEIN
295dgx_1A & A? NPS1??? Q14JW6256PHERFrancisella tularensis subsp. tularensis (strain FSC 198)TRANSPORT PROTEIN
282it1_1A & B? C32??? O57942362PHERPyrococcus horikoshiiTRANSPORT PROTEIN
284mki_1A & A? C22??PROBNOT C22Q8R7Y5298PHERThermoanaerobacter tengcongensisHYDROLASE
285eum_1A & B? C22??? A0A0E1SLC7258PHERHaemophilus influenzae PittIIHYDROLASE
271ji0_1A & APROBNOT NPS1NPS1? Q9X0M3240PHERThermotoga maritimaTRANSPORT PROTEIN
271sgw_1A & APROBNOT NPS1NPS1? Q8U2E3214PHERPyrococcus furiosusTRANSPORT PROTEIN
271vpl_1A & B? C22??YES C22Q9WZ14256PHERThermotoga maritimaLYASE
272nq2_1A & D? C24??Sub-composition (#4) NPS5Q57130295PHERHaemophilus influenzaeMETAL TRANSPORT
272onk_1A & A? NPS5??YES (#2) C24O30144272PHERArchaeoglobus fulgidusMEMBRANE PROTEIN
272onk_2A & G? NPS5??YES (#2) C24O30144272PHERArchaeoglobus fulgidusMEMBRANE PROTEIN
272pjz_1A & A? NPS1??? Q972R9263PHERSulfolobus tokodaiiSTRUCTURAL GENOMICS, UNKNOWN FUNCTION
272pjz_2A & B? C22??? Q972R9263PHERSulfolobus tokodaiiSTRUCTURAL GENOMICS, UNKNOWN FUNCTION
273gfo_1A & A? NPS1??? Q0TUN8275PHERClostridium perfringens ATCC 13124ATP binding protein
274wbs_1A & A? NPS1??? B2JCQ1282PHERBurkholderia phymatumTRANSPORT PROTEIN
274wbs_2A & B? NPS1??? B2JCQ1282PHERBurkholderia phymatumTRANSPORT PROTEIN
276amx_1A & A? NPS1??? O67181242PHERAquifex aeolicus (strain VF5)TRANSPORT PROTEIN
276an5_1A & B? C22??? O67181242PHERAquifex aeolicus (strain VF5)TRANSPORT PROTEIN
276an7_1A & B? C24??? O67181247PHERAquifex aeolicus VF5TRANSPORT PROTEIN
261b0u_1A & BPROBYES NPS2NPS1? P02915262PHERSalmonella typhimuriumTRANSPORT PROTEIN
261mt0_1A & APROBNOT NPS1NPS1PROBYES2 C22P08716241PHEREscherichia coliTRANSPORT PROTEIN
261mv5_1A & BYES C24C22? Q9CHL8243PHERLactococcus lactistransport protein
261xef_1A & A? C22??PROBNOT C22P08716241PHEREscherichia coliTRANSPORT PROTEIN
261xef_2A & C? C22??PROBNOT C22P08716241PHEREscherichia coliTRANSPORT PROTEIN
262ff7_1A & APROBNOT NPS1NPS1PROBYES2 C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262ffa_1A & A? NPS1??PROBYES2 C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262ffb_1A & A? NPS1??PROBYES2 C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262fgj_1A & A? NPS1??YES C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262fgj_2A & B? NPS1??YES C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262fgj_3A & C? NPS1??YES C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262fgj_4A & D? NPS1??YES C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262fgk_1A & A? NPS1??YES C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262fgk_2A & B? NPS1??YES C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262fgk_3A & C? NPS1??YES C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262fgk_4A & D? NPS1??YES C22P08716247PHEREscherichia coliTRANSPORT PROTEIN
262ixe_1A & D? C22??PROBNOT C22P36370271PHERRATTUS NORVEGICUSHYDROLASE
262ixf_1A & A? C22??PROBNOT C22P36370271PHERRATTUS NORVEGICUSHYDROLASE
262ixf_2A & C? C22??PROBNOT C22P36370271PHERRATTUS NORVEGICUSHYDROLASE
262pmk_1A & A? NPS1??PROBYES2 C22P08716243PHEREscherichia coliTRANSPORT PROTEIN
262yz2_1A & B? D28??? Q9WY65266PHERThermotoga maritimaHYDROLASE
262yz2_2A & B? D24??AMBIGUOUS2 Q9WY65266PHERThermotoga maritimaHYDROLASE
263b5j_1A & A? NPS1??PROBYES2 C22P08716243PHEREscherichia coliTRANSPORT PROTEIN
314hlu_1A & D? C22??NO (#1) C22Q9WY65268PHERThermotoga maritimaHYDROLASE
314hlu_2A & B? C22??NO (#1) C22Q9WY65268PHERThermotoga maritimaHYDROLASE
264k8o_1A & A? C22??PROBYES3 C22P36370271PHERRattus norvegicusTRANSPORT PROTEIN
264rvc_1A & A? D24??? U2YAF6245PHERGeobacillus kaustophilusTRANSPORT PROTEIN
264yms_1A & J? C24??NO (#1) C24Q8RCC2230PHERCaldanaerobacter subterraneus subsp. tengcongensis MB4PROTEIN BINDING/TRANSPORT PROTEIN
264ymt_1A & A? C24??NO (#1) C24Q8RCC2230PHERCaldanaerobacter subterraneus subsp. tengcongensis MB4PROTEIN BINDING/TRANSPORT PROTEIN
264ymu_1A & A? C24??NO (#1) C24Q8RCC2230PHERCaldanaerobacter subterraneus subsp. tengcongensis MB4PROTEIN BINDING/TRANSPORT PROTEIN
264ymv_1A & A? C24??NO (#1) C24Q8RCC2230PHERCaldanaerobacter subterraneus subsp. tengcongensis MB4PROTEIN BINDING/TRANSPORT PROTEIN
264ymw_1A & A? C24??NO (#1) C24Q8RCC2230PHERCaldanaerobacter subterraneus subsp. tengcongensis MB4PROTEIN BINDING/TRANSPORT PROTEIN
314zir_1A & A? C22??NO (#1) C22Q9WY65267PHERThermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099)TRANSPORT PROTEIN, HYDROLASE/INHIBITOR
265lj9_1A & A? NPS1??? P75831231PHEREscherichia coli K-12TRANSPORT PROTEIN
265lj9_2A & B? NPS1??? P75831231PHEREscherichia coli K-12TRANSPORT PROTEIN
265lj9_3A & C? NPS1??? P75831231PHEREscherichia coli K-12TRANSPORT PROTEIN
265lja_1A & A? NPS1??? P75831231PHEREscherichia coli K-12TRANSPORT PROTEIN
265xu1_1A & A? C24??? Q8DQF8332PHERStreptococcus pneumoniae (strain ATCC BAA-255 / R6)TRANSPORT PROTEIN
252ixg_1A & A? NPS1??PROBYES2 C222IXG271PHERRATTUS NORVEGICUSHYDROLASE
252olj_1A & B? C22??AMBIGUOUS2 C222OLJ263PHERGeobacillus stearothermophilusHydrolase
252olk_1A & B? NPS4??AMBIGUOUS2 C222OLK263PHERGeobacillus stearothermophilusHydrolase
252ouk_1A & A? NPS1??AMBIGUOUS2 C222OUK263PHERGeobacillus stearothermophilusHYDROLASE
252ouk_2A & B? NPS1??AMBIGUOUS2 C222OUK263PHERGeobacillus stearothermophilusHYDROLASE
252ouk_3A & C? NPS1??AMBIGUOUS2 C222OUK263PHERGeobacillus stearothermophilusHYDROLASE
252ouk_4A & D? NPS1??AMBIGUOUS2 C222OUK263PHERGeobacillus stearothermophilusHYDROLASE
252ouk_5A & A? NPS2??AMBIGUOUS2 C222OUK263PHERGeobacillus stearothermophilusHYDROLASE
252ouk_6A & C? NPS2??AMBIGUOUS2 C222OUK263PHERGeobacillus stearothermophilusHYDROLASE
252pcj_1A & B? C22??PROBYES3 C22O66646224PHERAquifex aeolicusHYDROLASE
252pcl_1A & A? C22??PROBNOT C22O66646224PHERAquifex aeolicusHydrolase
252pcl_2A & F? D36??NA1 D36O66646224PHERAquifex aeolicusHydrolase
252q0h_1A & A? C22??AMBIGUOUS2 C222Q0H263PHERGeobacillus stearothermophilusHydrolase
253c41_1A & K? C22??AMBIGUOUS2 C223C41242PHERGeobacillus StearothermophilusHYDROLASE
253c4j_1A & A? C22??AMBIGUOUS2 C223C4J263PHERGeobacillus StearothermophilusHYDROLASE
255b57_1A & D? C24??Sub-composition (#4) NPS5B4EKB4329PHERBurkholderia cenocepacia J2315METAL TRANSPORT
255b58_1A & D? NPS5??NO (#1) NPS5B4EKB4317PHERBurkholderia cenocepacia J2315METAL BINDING PROTEIN
254huq_1A & A? NPS4??NO (#1) NPS4Q03PY6255PHERLactobacillus brevisHYDROLASE
254hzu_1A & B? NPS4??? Q03PY5250PHERLactobacillus brevisHYDROLASE, TRANSPORT PROTEIN
254rfs_1A & A? NPS4??NO (#1) NPS4Q03PY6263PHERLactobacillus brevisHYDROLASE, TRANSPORT PROTEIN
285d3m_1A & B? NPS4??NO (#1) NPS4Q1GBJ0258PHERLactobacillus delbrueckiiTRANSPORT PROTEIN
285d3m_2A & F? NPS4??NO (#1) NPS4Q1GBJ0258PHERLactobacillus delbrueckiiTRANSPORT PROTEIN
285jsz_1A & A? NPS4??NO (#1) NPS4Q1GBJ0259PHERLactobacillus delbrueckii subsp. bulgaricus (strain ATCC 11842 / DSM 20081 / JCM 1002 / NBRC 13953 / NCIMB 11778)TRANSPORT PROTEIN
285jsz_2A & E? NPS4??NO (#1) NPS4Q1GBJ0259PHERLactobacillus delbrueckii subsp. bulgaricus (strain ATCC 11842 / DSM 20081 / JCM 1002 / NBRC 13953 / NCIMB 11778)TRANSPORT PROTEIN
286fnp_1A & B? NPS4??? A0A061BRW7258PHERLactobacillus delbrueckiiTRANSPORT PROTEIN
286fnp_2A & G? NPS4??? A0A061BRW7258PHERLactobacillus delbrueckiiTRANSPORT PROTEIN
231jj7_1A & ANO NPS1NPS1? Q03518260PHERHomo sapiensPROTEIN TRANSPORT
234g1u_1A & C? C24??NO (#1) C24Q56992311PHERYersinia pestisTRANSPORT PROTEIN/HYDROLASE
234pl0_1A & B? C22??PROBNOT C22Q9X2W0580PHEREscherichia coliTRANSPORT PROTEIN
234u00_1A & A? NPS1??? Q5SJ55244PHERThermus thermophilus HB8TRANSPORT PROTEIN
234u02_1A & A? NPS1??? Q5SJ55244PHERThermus thermophilus HB8TRANSPORT PROTEIN
234u02_2A & B? NPS1??? Q5SJ55244PHERThermus thermophilus HB8TRANSPORT PROTEIN
234u02_3A & C? NPS1??? Q5SJ55244PHERThermus thermophilus HB8TRANSPORT PROTEIN
234u02_4A & D? NPS1??? Q5SJ55244PHERThermus thermophilus HB8TRANSPORT PROTEIN
235eg1_1A & A? C22??PROBNOT C22Q9X2W0580PHEREscherichia coliTRANSPORT PROTEIN
235ofp_1A & B? C22??PROBNOT C22Q9X2W0580PHEREscherichia coliMEMBRANE PROTEIN
235ofr_1A & A? C22??PROBNOT C22Q9X2W0580PHEREscherichia coliMEMBRANE PROTEIN
235x3x_1A & A? NPS4??? 5X3X256PHERRhodobacter capsulatusTRANSPORT PROTEIN
235x3x_2A & b? NPS4??? 5X3X256PHERRhodobacter capsulatusTRANSPORT PROTEIN
235x40_1A & A? C22??PROBNOT C225X40292PHERRhodobacter capsulatusTRANSPORT PROTEIN
235x41_1A & B? NPS4??? 5X41259PHERRhodobacter capsulatusTRANSPORT PROTEIN
235x41_2A & D? NPS4??? 5X41259PHERRhodobacter capsulatusTRANSPORT PROTEIN
221l7v_1A & D? C24??NO (#1) C24P06609287PHEREscherichia coliTRANSPORT PROTEIN/HYDROLASE
222qi9_1A & C? NPS5??NO (#1) NPS5P06609279PHEREscherichia coliMEMBRANE PROTEIN
224dbl_1A & C? NPS5??? P06609290PHEREscherichia coliTRANSPORT PROTEIN
224dbl_2A & I? NPS5??? P06609290PHEREscherichia coliTRANSPORT PROTEIN
224fi3_1A & C? NPS5??NO (#1) NPS5P06609290PHEREscherichia coliTRANSPORT PROTEIN
224r9u_1A & C? C24??Non-biological interface or large conformational change1 (#6) NPS5P06609291PHEREscherichia coliHYDROLASE
01g6h_1A & ANO NPS1NPS1? Q58663257PHER0TRANSPORT PROTEIN
01g9x_1A & ANO NPS1NPS1? Q58663257PHERMethanocaldococcus jannaschiiSTRUCTURAL GENOMICS
01g9x_2A & BNO NPS1NPS1? Q58663257PHERMethanocaldococcus jannaschiiSTRUCTURAL GENOMICS
01g9x_3A & CNO NPS1NPS1? Q58663257PHERMethanocaldococcus jannaschiiSTRUCTURAL GENOMICS
01gaj_1A & ANO NPS1NPS1? 1591902257PHERMethanocaldococcus jannaschiiTRANSPORT PROTEIN
01gaj_2A & WYES Octa24NPS1? 1591902257PHERMethanocaldococcus jannaschiiTRANSPORT PROTEIN
02d2e_1A & A? NPS1??? Q5SH92250PHERThermus thermophilusProtein Binding
02d2f_1A & A? NPS1??? Q5SH92250PHERThermus thermophilusPROTEIN BINDING
02d3w_1A & D? NPS4??? P77499248PHEREscherichia coliBIOSYNTHETIC PROTEIN
02ihy_1A & A? C22??NO C22Q5HE50279PHERStaphylococcus aureusHYDROLASE
02r6f_1A & A? C22??NO C222R6F972PHERGeobacillus stearothermophilusHYDROLASE
02vf7_1A & A? C22??PROBNOT C22Q9RYW8842PHERDEINOCOCCUS RADIODURANSDNA-BINDING PROTEIN
02vf7_2A & C? NPS1??PROBYES2 C22Q9RYW8842PHERDEINOCOCCUS RADIODURANSDNA-BINDING PROTEIN
02vf7_3A & A? NPS1??PROBYES2 C22Q9RYW8842PHERDEINOCOCCUS RADIODURANSDNA-BINDING PROTEIN
02vf7_4A & B? NPS1??PROBYES2 C22Q9RYW8842PHERDEINOCOCCUS RADIODURANSDNA-BINDING PROTEIN
02vf7_5A & C? NPS1??PROBYES2 C22Q9RYW8842PHERDEINOCOCCUS RADIODURANSDNA-BINDING PROTEIN
02vf8_1A & B? NPS2??PROBNOT1 C22Q9RYW8842PHERDEINOCOCCUS RADIODURANSDNA-BINDING PROTEIN
02vf8_2A & A? NPS1??PROBYES2 C22Q9RYW8842PHERDEINOCOCCUS RADIODURANSDNA-BINDING PROTEIN
02vf8_3A & B? NPS1??PROBYES2 C22Q9RYW8842PHERDEINOCOCCUS RADIODURANSDNA-BINDING PROTEIN
02zu0_1A & D? NPS4??? P77689345PHEREscherichia coliBiosynthetic Protein/Protein Binding
03pih_1A & A? C22??PROBNOT C22Q9WYV0948PHERThermotoga maritimaHYDROLASE/DNA
03uwx_1A & C? C24??Excessive-stoichiometry (#5) C24E8SW61827PHERGeobacillusDNA BINDING PROTEIN
03zqj_1A & A? NPS1??YES C22P63380993PHERMYCOBACTERIUM TUBERCULOSISDNA BINDING PROTEIN
03zqj_2A & B? NPS1??YES C22P63380993PHERMYCOBACTERIUM TUBERCULOSISDNA BINDING PROTEIN
03zqj_3A & C? NPS1??YES C22P63380993PHERMYCOBACTERIUM TUBERCULOSISDNA BINDING PROTEIN
03zqj_4A & D? NPS1??YES C22P63380993PHERMYCOBACTERIUM TUBERCULOSISDNA BINDING PROTEIN
03zqj_5A & E? NPS1??YES C22P63380993PHERMYCOBACTERIUM TUBERCULOSISDNA BINDING PROTEIN
03zqj_6A & F? NPS1??YES C22P63380993PHERMYCOBACTERIUM TUBERCULOSISDNA BINDING PROTEIN
04hzi_1A & A? C22??PROBNOT C22Q72QN4294PHERLeptospira interrogans serovar CopenhageniTRANSPORT PROTEIN
05awf_1A & C? NPS4??? P77522353PHEREscherichia coli (strain K12)TRANSPORT PROTEIN/PROTEIN BINDING
05awf_2A & H? NPS4??? P77522353PHEREscherichia coli (strain K12)TRANSPORT PROTEIN/PROTEIN BINDING
05awg_1A & D? NPS4??? P77522353PHEREscherichia coli (strain K12)TRANSPORT PROTEIN/PROTEIN BINDING
05awg_2A & H? NPS4??? P77522353PHEREscherichia coli (strain K12)TRANSPORT PROTEIN/PROTEIN BINDING