SEQ2FUN

BioLiP
Download all results in tab-seperated text for 1072681 receptor-ligand interactions, whose format is explained at readme.txt.
  • Hover over PDB to view the title of the structure. Click PDB to view the structure at the RCSB PDB database. Resolution -1.00 means the resolution is unavailable, e.g., for NMR structures.
  • Click Site # to view the binding site structure. Hover over Site # to view the binding residues.
  • Hover over Ligand to view the full ligand name. Click Ligand to view the 2D diagram and other detail information of the ligand.
  • Hover over EC number to view the full name of enzymatic activity.
  • Hover over GO terms to view all GO terms.
  • Hover over UniProt to view the protein name.

    • Sort results by
    << < 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 > >>
    Go to page

    # PDB
    (Resolution Å)     		Site # Ligand EC number GO terms UniProt PubMed Binding
    affinity
    881201 8snb:VB (3.3) BS02 MG ? GO:0000226 ... A0A7M7RGW6 37327785
    881202 8snb:VC (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881203 8snb:VD (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881204 8snb:VE (3.3) BS01 GTP ? GO:0000226 ... A0A7M7RGW6 37327785
    881205 8snb:VE (3.3) BS02 MG ? GO:0000226 ... A0A7M7RGW6 37327785
    881206 8snb:VF (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881207 8snb:VF (3.3) BS02 GTP ? GO:0003924 ... A0A7M7NS69 37327785
    881208 8snb:VG (3.3) BS01 GTP ? GO:0000226 ... A0A7M7RGW6 37327785
    881209 8snb:VH (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881210 8snb:VI (3.3) BS01 GTP ? GO:0000226 ... A0A7M7RGW6 37327785
    881211 8snb:VI (3.3) BS02 MG ? GO:0000226 ... A0A7M7RGW6 37327785
    881212 8snb:VJ (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881213 8snb:VK (3.3) BS01 GTP ? GO:0000226 ... A0A7M7RGW6 37327785
    881214 8snb:VL (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881215 8snb:VM (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881216 8snb:WA (3.3) BS01 GTP ? GO:0000226 ... A0A7M7RGW6 37327785
    881217 8snb:WB (3.3) BS01 GTP ? GO:0000226 ... A0A7M7RGW6 37327785
    881218 8snb:WB (3.3) BS02 MG ? GO:0000226 ... A0A7M7RGW6 37327785
    881219 8snb:WC (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881220 8snb:WD (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881221 8snb:WD (3.3) BS02 GTP ? GO:0003924 ... A0A7M7NS69 37327785
    881222 8snb:WE (3.3) BS01 GTP ? GO:0000226 ... A0A7M7RGW6 37327785
    881223 8snb:WF (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881224 8snb:WG (3.3) BS01 GTP ? GO:0000226 ... A0A7M7RGW6 37327785
    881225 8snb:WH (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881226 8snb:WI (3.3) BS01 GTP ? GO:0000226 ... A0A7M7RGW6 37327785
    881227 8snb:WI (3.3) BS02 MG ? GO:0000226 ... A0A7M7RGW6 37327785
    881228 8snb:WJ (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881229 8snb:WJ (3.3) BS02 GTP ? GO:0003924 ... A0A7M7NS69 37327785
    881230 8snb:WK (3.3) BS01 GTP ? GO:0000226 ... A0A7M7RGW6 37327785
    881231 8snb:WL (3.3) BS01 GDP ? GO:0003924 ... A0A7M7NS69 37327785
    881232 8snc:A (3.2) BS01 BDP ? GO:0000166 ... A0ACD6B8N5 39322765
    881233 8snc:A (3.2) BS02 Y01 ? GO:0000166 ... A0ACD6B8N5 39322765
    881234 8snc:A (3.2) BS03 MN ? GO:0000166 ... A0ACD6B8N5 39322765
    881235 8snc:A (3.2) BS04 MN ? GO:0000166 ... A0ACD6B8N5 39322765
    881236 8snd:A (3.1) BS01 UGA ? GO:0000166 ... A0ACD6B8N5 39322765
    881237 8snd:A (3.1) BS02 Y01 ? GO:0000166 ... A0ACD6B8N5 39322765
    881238 8sne:A (3.0) BS01 BDP ? GO:0000166 ... A0ACD6B8N5 39322765
    881239 8sne:A (3.0) BS02 UDP ? GO:0000166 ... A0ACD6B8N5 39322765
    881240 8sne:A (3.0) BS03 Y01 ? GO:0000166 ... A0ACD6B8N5 39322765
    881241 8sne:A (3.0) BS04 MN ? GO:0000166 ... A0ACD6B8N5 39322765
    881242 8snf:D (2.3) BS01 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881243 8snf:D (2.3) BS02 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881244 8snf:F (2.3) BS01 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881245 8snf:F (2.3) BS02 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881246 8sng:A (1.55) BS01 PLP 2.6.1.87 GO:0000271 ... A0A0H3FL22 N/A
    881247 8sng:A (1.55) BS02 MG 2.6.1.87 GO:0000271 ... A0A0H3FL22 N/A
    881248 8sng:B (1.55) BS01 PLP 2.6.1.87 GO:0000271 ... A0A0H3FL22 N/A
    881249 8sng:B (1.55) BS02 MG 2.6.1.87 GO:0000271 ... A0A0H3FL22 N/A
    881250 8snh:C (2.7) BS01 FES 7.1.1.8 GO:0005886 ... Q9HVY4 37751552
    881251 8snh:D (2.7) BS01 I7Y ? GO:0008121 ... Q9HVY5 37751552
    881252 8snh:D (2.7) BS02 HEM ? GO:0008121 ... Q9HVY5 37751552
    881253 8snh:D (2.7) BS03 HEM ? GO:0008121 ... Q9HVY5 37751552
    881254 8snh:D (2.7) BS04 U10 ? GO:0008121 ... Q9HVY5 37751552
    881255 8snh:E (2.7) BS01 CU 7.1.1.9 GO:0004129 ... Q9HWP8 37751552
    881256 8snh:E (2.7) BS02 HEM 7.1.1.9 GO:0004129 ... Q9HWP8 37751552
    881257 8snh:E (2.7) BS03 HEM 7.1.1.9 GO:0004129 ... Q9HWP8 37751552
    881258 8snh:E (2.7) BS04 HEC 7.1.1.9 GO:0004129 ... Q9HWP8 37751552
    881259 8snh:F (2.7) BS01 CA ? GO:0004129 ... Q9I3G4 37751552
    881260 8snh:F (2.7) BS02 HEC ? GO:0004129 ... Q9I3G4 37751552
    881261 8snh:G (2.7) BS01 HEC ? GO:0004129 ... Q9I3G2 37751552
    881262 8snh:G (2.7) BS02 HEC ? GO:0004129 ... Q9I3G2 37751552
    881263 8snh:I (2.7) BS01 I7Y ? GO:0008121 ... Q9HVY5 37751552
    881264 8snh:I (2.7) BS02 HEM ? GO:0008121 ... Q9HVY5 37751552
    881265 8snh:I (2.7) BS03 HEM ? GO:0008121 ... Q9HVY5 37751552
    881266 8snh:I (2.7) BS04 U10 ? GO:0008121 ... Q9HVY5 37751552
    881267 8snh:J (2.7) BS01 peptide ? GO:0009055 ... Q9HVY6 37751552
    881268 8snh:J (2.7) BS02 HEC ? GO:0009055 ... Q9HVY6 37751552
    881269 8snh:K (2.7) BS01 peptide ? GO:0004129 ... P00106 37751552
    881270 8snh:K (2.7) BS02 HEC ? GO:0004129 ... P00106 37751552
    881271 8snh:K (2.7) BS03 HEC ? GO:0004129 ... P00106 37751552
    881272 8snh:M (2.7) BS01 peptide ? GO:0009055 ... Q9HVY6 37751552
    881273 8snh:M (2.7) BS02 HEC ? GO:0009055 ... Q9HVY6 37751552
    881274 8snh:N (2.7) BS01 peptide ? GO:0004129 ... P00106 37751552
    881275 8snh:N (2.7) BS02 HEC ? GO:0004129 ... P00106 37751552
    881276 8snh:N (2.7) BS03 HEC ? GO:0004129 ... P00106 37751552
    881277 8snh:Z (2.7) BS01 FES 7.1.1.8 GO:0005886 ... Q9HVY4 37751552
    881278 8snh:Z (2.7) BS02 I7Y 7.1.1.8 GO:0005886 ... Q9HVY4 37751552
    881279 8snh:Z (2.7) BS03 U10 7.1.1.8 GO:0005886 ... Q9HVY4 37751552
    881280 8snj:A (1.75) BS01 PLP 2.6.1.87 GO:0000271 ... A0A0H3FL22 N/A
    881281 8snj:B (1.75) BS01 PLP 2.6.1.87 GO:0000271 ... A0A0H3FL22 N/A
    881282 8snj:C (1.75) BS01 PLP 2.6.1.87 GO:0000271 ... A0A0H3FL22 N/A
    881283 8snj:D (1.75) BS01 PLP 2.6.1.87 GO:0000271 ... A0A0H3FL22 N/A
    881284 8snj:E (1.75) BS01 PLP 2.6.1.87 GO:0000271 ... A0A0H3FL22 N/A
    881285 8snj:F (1.75) BS01 PLP 2.6.1.87 GO:0000271 ... A0A0H3FL22 N/A
    881286 8snk:A (1.85) BS01 ZN N/A GO:0008783 ... A0AAN0NPA8 38408229
    881287 8snk:I (1.85) BS01 ZN N/A GO:0008783 ... A0AAN0NPA8 38408229
    881288 8snl:A (2.78) BS01 ZN 3.4.24.86 GO:0004222 ... P78536 38781971
    881289 8snl:A (2.78) BS02 CA 3.4.24.86 GO:0004222 ... P78536 38781971
    881290 8snm:B (3.84) BS01 ZN 3.4.24.86 GO:0004222 ... P78536 38781971
    881291 8snm:B (3.84) BS02 CA 3.4.24.86 GO:0004222 ... P78536 38781971
    881292 8snn:A (2.32) BS01 CA 3.4.24.86 GO:0004222 ... P78536 38781971
    881293 8sno:A (2.78) BS01 CA 3.4.24.86 GO:0004222 ... P78536 38781971
    881294 8snx:A (3.4) BS01 rna 2.1.1.375
    2.7.7.48
    2.7.7.88
    3.6.1.-    		 GO:0000166 ... P28887 38123676
    881295 8sny:A (3.41) BS01 rna 2.1.1.375
    2.7.7.48
    2.7.7.88
    3.6.1.-    		 GO:0000166 ... P28887 38123676
    881296 8snz:A (2.17) BS01 FMN ? GO:0009055 ... Q6N7Y7 38417793
    881297 8snz:B (2.17) BS01 FMN ? GO:0009055 ... Q6N7Y7 38417793
    881298 8so0:C (2.79961) BS01 FE 3.1.3.16 GO:0000159 ... P67775 38123684
    881299 8so0:C (2.79961) BS02 ZN 3.1.3.16 GO:0000159 ... P67775 38123684
    881300 8so1:A (2.05) BS01 HEM 1.14.14.1
    1.14.14.55
    1.14.14.56
    1.14.14.73    		 GO:0002933 ... P08684 37524132
    881301 8so1:A (2.05) BS02 CFF 1.14.14.1
    1.14.14.55
    1.14.14.56
    1.14.14.73    		 GO:0002933 ... P08684 37524132
    881302 8so1:A (2.05) BS03 CFF 1.14.14.1
    1.14.14.55
    1.14.14.56
    1.14.14.73    		 GO:0002933 ... P08684 37524132
    881303 8so2:A (2.15) BS01 HEM 1.14.14.1
    1.14.14.55
    1.14.14.56
    1.14.14.73    		 GO:0002933 ... P08684 37524132
    881304 8so2:A (2.15) BS02 CFF 1.14.14.1
    1.14.14.55
    1.14.14.56
    1.14.14.73    		 GO:0002933 ... P08684 37524132
    881305 8so2:A (2.15) BS03 CFF 1.14.14.1
    1.14.14.55
    1.14.14.56
    1.14.14.73    		 GO:0002933 ... P08684 37524132
    881306 8so2:A (2.15) BS04 CFF 1.14.14.1
    1.14.14.55
    1.14.14.56
    1.14.14.73    		 GO:0002933 ... P08684 37524132
    881307 8so2:A (2.15) BS05 CFF 1.14.14.1
    1.14.14.55
    1.14.14.56
    1.14.14.73    		 GO:0002933 ... P08684 37524132
    881308 8soa:A (3.32) BS01 ATP 2.7.11.1
    2.7.1.137
    2.7.1.153
    2.7.1.154    		 GO:0003376 ... O02697 38565696
    881309 8sob:A (3.9) BS01 ADP 2.7.11.1
    2.7.1.137
    2.7.1.153
    2.7.1.154    		 GO:0003376 ... O02697 38565696
    881310 8soc:A (3.5) BS01 ADP 2.7.11.1
    2.7.1.137
    2.7.1.153
    2.7.1.154    		 GO:0003376 ... O02697 38565696
    881311 8sod:A (3.4) BS01 ADP 2.7.11.1
    2.7.1.137
    2.7.1.153
    2.7.1.154    		 GO:0003376 ... O02697 38565696
    881312 8soe:A (3.6) BS01 ADP 2.7.11.1
    2.7.1.137
    2.7.1.153
    2.7.1.154    		 GO:0003376 ... O02697 38565696
    881313 8sog:A (1.13) BS01 CA 3.4.21.64 GO:0004252 ... P06873 37748828
    881314 8soj:A (3.8) BS01 ZN ? GO:0000723 ... P0AEX9
    Q2NKJ3    		 38838667
    881315 8soj:D (3.8) BS01 ZN ? GO:0000723 ... Q9NUX5 38838667
    881316 8sok:A (4.1) BS01 ZN ? GO:0000723 ... P0AEX9
    Q2NKJ3    		 38838667
    881317 8sok:D (4.1) BS01 dna ? GO:0000723 ... Q9NUX5 38838667
    881318 8sok:D (4.1) BS02 ZN ? GO:0000723 ... Q9NUX5 38838667
    881319 8son:A (1.63) BS01 30Y 5.3.2.1
    5.3.3.12    		 GO:0001516 ... P14174 40352549
    881320 8son:B (1.63) BS01 30Y 5.3.2.1
    5.3.3.12    		 GO:0001516 ... P14174 40352549
    881321 8soq:A (3.1) BS01 MG 2.5.1.143 GO:0005886 ... F9UST0 37831946
    881322 8soq:A (3.1) BS02 DND 2.5.1.143 GO:0005886 ... F9UST0 37831946
    881323 8soq:B (3.1) BS01 DND 2.5.1.143 GO:0005886 ... F9UST0 37831946
    881324 8soq:C (3.1) BS01 DND 2.5.1.143 GO:0005886 ... F9UST0 37831946
    881325 8soq:D (3.1) BS01 DND 2.5.1.143 GO:0005886 ... F9UST0 37831946
    881326 8soq:E (3.1) BS01 DND 2.5.1.143 GO:0005886 ... F9UST0 37831946
    881327 8sor:A (3.96) BS01 ADP 2.7.11.1 GO:0000425 ... Q99570 N/A
    881328 8sos:A (2.33) BS01 FO4 ? GO:0003677 ... P05412
    P15813    		 38040419
    881329 8sos:E (2.33) BS01 FO4 ? GO:0003677 ... P05412
    P15813    		 38040419
    881330 8sou:A (1.54) BS01 peptide 3.4.21.64 GO:0004252 ... P06873 37748828
    881331 8sou:A (1.54) BS02 CA 3.4.21.64 GO:0004252 ... P06873 37748828
    881332 8sov:A (1.291) BS01 peptide 3.4.21.64 GO:0004252 ... P06873 37748828
    881333 8sov:A (1.291) BS02 CA 3.4.21.64 GO:0004252 ... P06873 37748828
    881334 8sp0:A (3.33) BS01 rna ? GO:0007165 ... A0A316E683 37494956
    881335 8sp0:A (3.33) BS02 dna ? GO:0007165 ... A0A316E683 37494956
    881336 8sp0:B (3.33) BS01 rna ? GO:0003676 ... A0A316E3U6 37494956
    881337 8sp0:B (3.33) BS02 dna ? GO:0003676 ... A0A316E3U6 37494956
    881338 8sp0:E (3.33) BS01 dna ? GO:0007165 ... A0A316E683 37494956
    881339 8sp0:E (3.33) BS02 rna ? GO:0007165 ... A0A316E683 37494956
    881340 8sp0:F (3.33) BS01 dna ? GO:0003676 ... A0A316E3U6 37494956
    881341 8sp0:F (3.33) BS02 rna ? GO:0003676 ... A0A316E3U6 37494956
    881342 8sp1:F (1.62) BS01 dna ? GO:0003700 ... P17433 38042148
    881343 8sp1:F (1.62) BS02 dna ? GO:0003700 ... P17433 38042148
    881344 8sp2:G (2.2) BS01 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881345 8sp2:G (2.2) BS02 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881346 8sp2:H (2.2) BS01 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881347 8sp2:H (2.2) BS02 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881348 8sp2:I (2.2) BS01 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881349 8sp2:I (2.2) BS02 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881350 8sp2:J (2.2) BS01 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881351 8sp2:J (2.2) BS02 NI N/A GO:0008783 ... A0AAN0NPA7 38408229
    881352 8sp3:A (3.52) BS01 rna ? GO:0007165 ... A0A316E683 37494956
    881353 8sp3:A (3.52) BS02 dna ? GO:0007165 ... A0A316E683 37494956
    881354 8sp3:B (3.52) BS01 rna ? GO:0003676 ... A0A316E3U6 37494956
    881355 8sp3:B (3.52) BS02 dna ? GO:0003676 ... A0A316E3U6 37494956
    881356 8sp3:B (3.52) BS03 MG ? GO:0003676 ... A0A316E3U6 37494956
    881357 8sp3:E (3.52) BS01 rna ? GO:0007165 ... A0A316E683 37494956
    881358 8sp3:E (3.52) BS02 dna ? GO:0007165 ... A0A316E683 37494956
    881359 8sp3:F (3.52) BS01 rna ? GO:0003676 ... A0A316E3U6 37494956
    881360 8sp3:F (3.52) BS02 dna ? GO:0003676 ... A0A316E3U6 37494956
    881361 8sp3:F (3.52) BS03 MG ? GO:0003676 ... A0A316E3U6 37494956
    881362 8sp4:A (2.401) BS01 AGS N/A GO:0005524 ... P60240 N/A
    881363 8sp5:A (2.23) BS01 MN 2.7.7.49 GO:0003824 ... O00370 38719805
    881364 8sp5:B (2.23) BS01 MN 2.7.7.49 GO:0003824 ... O00370 38719805
    881365 8sp6:A (1.45) BS01 peptide ? N/A Q8N8U2 N/A
    881366 8sp6:A (1.45) BS02 peptide ? N/A Q8N8U2 N/A
    881367 8sp6:B (1.45) BS01 peptide ? N/A Q8N8U2 N/A
    881368 8sp6:C (1.45) BS01 peptide ? N/A Q8N8U2 N/A
    881369 8sp6:C (1.45) BS02 peptide ? N/A Q8N8U2 N/A
    881370 8sp6:D (1.45) BS01 peptide ? N/A Q8N8U2 N/A
    881371 8sp6:E (1.45) BS01 peptide ? N/A Q8N8U2 N/A
    881372 8sp6:E (1.45) BS02 peptide ? N/A Q8N8U2 N/A
    881373 8sp6:F (1.45) BS01 peptide ? N/A Q8N8U2 N/A
    881374 8sp6:F (1.45) BS02 I9A ? N/A Q8N8U2 N/A
    881375 8sp7:A (1.83) BS01 AMH 2.7.7.49 GO:0003824 ... O00370 38719805
    881376 8sp8:A (2.79) BS01 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881377 8sp8:A (2.79) BS02 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881378 8sp8:A (2.79) BS03 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881379 8sp8:A (2.79) BS04 I8E ? GO:0005216 ... Q9H1D0 37532722
    881380 8sp8:A (2.79) BS05 I8E ? GO:0005216 ... Q9H1D0 37532722
    881381 8sp8:A (2.79) BS06 I8E ? GO:0005216 ... Q9H1D0 37532722
    881382 8sp8:B (2.79) BS01 I8E ? GO:0005216 ... Q9H1D0 37532722
    881383 8sp8:B (2.79) BS02 I8E ? GO:0005216 ... Q9H1D0 37532722
    881384 8sp8:B (2.79) BS03 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881385 8sp8:B (2.79) BS04 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881386 8sp8:B (2.79) BS05 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881387 8sp8:B (2.79) BS06 I8E ? GO:0005216 ... Q9H1D0 37532722
    881388 8sp8:C (2.79) BS01 I8E ? GO:0005216 ... Q9H1D0 37532722
    881389 8sp8:C (2.79) BS02 I8E ? GO:0005216 ... Q9H1D0 37532722
    881390 8sp8:C (2.79) BS03 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881391 8sp8:C (2.79) BS04 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881392 8sp8:C (2.79) BS05 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881393 8sp8:C (2.79) BS06 I8E ? GO:0005216 ... Q9H1D0 37532722
    881394 8sp8:D (2.79) BS01 I8E ? GO:0005216 ... Q9H1D0 37532722
    881395 8sp8:D (2.79) BS02 I8E ? GO:0005216 ... Q9H1D0 37532722
    881396 8sp8:D (2.79) BS03 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881397 8sp8:D (2.79) BS04 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881398 8sp8:D (2.79) BS05 Y01 ? GO:0005216 ... Q9H1D0 37532722
    881399 8sp8:D (2.79) BS06 I8E ? GO:0005216 ... Q9H1D0 37532722
    881400 8spc:A (1.871) BS01 HEM ? GO:0004497 ... A0A224AU14 37555759
    Reference:
  • Chengxin Zhang, Xi Zhang, Lydia Freddolino, and Yang Zhang. BioLiP2: an updated structure database for biologically relevent ligand-protein interactions, Nucleic Acids Research, gkad630 (2023).
  • Jianyi Yang, Ambrish Roy, and Yang Zhang. BioLiP: a semi-manually curated database for biologically relevant ligand-protein interactions, Nucleic Acids Research, 41: D1096-D1103 (2013) (download the PDF file).