-->
Receptor
PDB id Resolution Class Description Source Keywords
4Y5I 1.4 Å EC: 2.7.11.1 CRYSTAL STRUCTURE OF C-TERMINAL MODIFIED TAU PEPTIDE-HYBRID 14-3-3SIGMA HOMO SAPIENS 14-3-3 SIGMA PROTEIN-PROTEIN INTERACTION INHIBITOR TAU PHYBRID SIGNALING PROTEIN
Ref.: STABILIZER-GUIDED INHIBITION OF PROTEIN-PROTEIN INTERACTIONS. ANGEW.CHEM.INT.ED.ENGL. V. 54 15720 2015
Ligand
Ligand Chain:Residue Validity Ligand Warnings Binding Data NGL Viewer Molecular Weight (Da) Formula SMILES
ACE ARG THR PRO SEP LEU PRO THR PIP F:1;
G:3;
Valid;
Valid;
none;
Atoms found LESS than expected: % Diff = 0;
ic50 = 301.3 uM
959.029 n/a P(=O)...
CL A:301;
B:301;
Invalid;
Invalid;
none;
none;
submit data
35.453 Cl [Cl-]
View in 3D viewer
90% Homology Family
Leader
PDB id Resolution Class Description Source Keywords
4FR3 1.9 Å EC: 2.7.11.1 CRYSTAL STRUCTURE OF HUMAN 14-3-3 SIGMA IN COMPLEX WITH TASK AND STABILIZER 16-O-ME-FC-H HOMO SAPIENS NUCLEUS PEPTIDE BINDING PROTEIN-TOXIN COMPLEX
Ref.: A SEMISYNTHETIC FUSICOCCANE STABILIZES A PROTEIN-PR INTERACTION AND ENHANCES THE EXPRESSION OF K(+) CHA THE CELL SURFACE. CHEM.BIOL. V. 20 583 2013
Members (40)
No: PDB id Binding Data Representative ligand Formula Smiles
The Class containing this family consists of a total of 117 families.
1 6FI5 Kd = 3 uM THR PRO SEP LEU PRO DAL 60H n/a n/a
2 5BTV Kd = 6.5 uM GLY SEP LEU GLY n/a n/a
3 4Y32 ic50 = 90.1 uM ARG THR PRO SEP LEU PRO THR 49F n/a n/a
4 4Y5I ic50 = 301.3 uM ACE ARG THR PRO SEP LEU PRO THR PIP n/a n/a
5 6FBB - SER ARG SEP SER PRO n/a n/a
6 5N5W - 8OE C11 H8 Cl2 N2 O c1cc(ccc1N....
7 6FBY Kd = 9.3 uM ACE ARG THR PRO SEP LEU PRO GLY D4H n/a n/a
8 4DHS - Y03 C14 H12 Cl2 N O5 P c1ccc(c(c1....
9 6GHP - ACE LYS ARG ARG LYS SEP VAL n/a n/a
10 4DHO - Y09 C15 H16 N O6 P COc1cccc(c....
11 3IQV Kd = 6.6 uM FSC C36 H56 O12 C[C@@H]1[C....
12 4IEA Kd = 346 nM ARG SER ALA SEP GLU PRO SER LEU n/a n/a
13 6FAW Kd = 2.7 uM ACE ARG THR PRO SEP LEU PRO GLY D3K n/a n/a
14 5N75 - ARG SER HIS SEP SER PRO ALA SER LEU GLN n/a n/a
15 4DHN - 0KC C13 H18 N O5 P c1ccc(c(c1....
16 3MHR - ARG ALA HIS SEP SER PRO ALA SER LEU GLN n/a n/a
17 4DHP - Y07 C15 H12 Cl F3 N O5 P c1ccc(c(c1....
18 3LW1 Kd = 16.3 uM PHE LYS TPO GLU GLY PRO ASP SER ASP n/a n/a
19 3SP5 Kd = 0.56 uM LYS ARG ARG LYS SEP VAL n/a n/a
20 4DHU - 0KH C14 H12 Cl2 N O5 P c1ccc(c(c1....
21 3O8I - M1T C7 H14 O4 COCC(=O)CC....
22 5OEH - 9SZ C42 H32 O8 P2 c1ccc2c(c1....
23 4DHT - 0KG C14 H20 N O5 P c1ccc(c(c1....
24 5LU1 - ARG ARG ALA SEP ALA PRO LEU PRO n/a n/a
25 3IQJ Kd = 7.5 uM GLN ARG SER THR SEP THR PRO ASN VAL HIS n/a n/a
26 4FR3 Kd = 0.07 uM 0V4 C27 H44 O8 C[C@@H]1[C....
27 5HF3 Kd = 13.4 uM ACE ARG THR PRO SEP LEU PRO THR 60H n/a n/a
28 5N5R - NV1 C13 H20 N2 O Cc1cccc(c1....
29 4DHM - 0KB C15 H13 F3 N O5 P c1ccc(c(c1....
30 4DAT - SER SER PHE TYR PRO SEP ALA GLU GLY n/a n/a
31 6FI4 Kd = 2.2 uM PRO SEP LEU PRO DVA 60H n/a n/a
32 3IQU - GLN ARG SER THR SEP THR n/a n/a
33 4DHQ - Y06 C14 H13 Cl N O5 P c1ccc(c(c1....
34 4DHR - Y04 C14 H13 Cl N O5 P c1ccc(c(c1....
35 4Y3B ic50 = 90.1 uM 49F C7 H15 N O COCC[C@@H]....
36 5N5T - SER HIS SEP SER PRO ALA SER LEU n/a n/a
37 6FBW Kd = 16.5 uM ARG THR PRO SEP LEU PRO GLY D4K n/a n/a
38 6FAV Kd = 4.7 uM ACE ARG THR PRO SEP LEU PRO GLY D3Q n/a n/a
39 5MXO - FSC C36 H56 O12 C[C@@H]1[C....
40 6FAU Kd = 2.7 uM ACE ARG THR PRO SEP LEU PRO GLY D3W n/a n/a
70% Homology Family (56)
No: PDB id Binding Data Representative ligand Formula Smiles
The Class containing this family consists of a total of 91 families.
1 6FI5 Kd = 3 uM THR PRO SEP LEU PRO DAL 60H n/a n/a
2 5BTV Kd = 6.5 uM GLY SEP LEU GLY n/a n/a
3 4Y32 ic50 = 90.1 uM ARG THR PRO SEP LEU PRO THR 49F n/a n/a
4 4Y5I ic50 = 301.3 uM ACE ARG THR PRO SEP LEU PRO THR PIP n/a n/a
5 6FBB - SER ARG SEP SER PRO n/a n/a
6 5N5W - 8OE C11 H8 Cl2 N2 O c1cc(ccc1N....
7 6FBY Kd = 9.3 uM ACE ARG THR PRO SEP LEU PRO GLY D4H n/a n/a
8 4DHS - Y03 C14 H12 Cl2 N O5 P c1ccc(c(c1....
9 6GHP - ACE LYS ARG ARG LYS SEP VAL n/a n/a
10 4DHO - Y09 C15 H16 N O6 P COc1cccc(c....
11 3IQV Kd = 6.6 uM FSC C36 H56 O12 C[C@@H]1[C....
12 4IEA Kd = 346 nM ARG SER ALA SEP GLU PRO SER LEU n/a n/a
13 6FAW Kd = 2.7 uM ACE ARG THR PRO SEP LEU PRO GLY D3K n/a n/a
14 5N75 - ARG SER HIS SEP SER PRO ALA SER LEU GLN n/a n/a
15 4DHN - 0KC C13 H18 N O5 P c1ccc(c(c1....
16 3MHR - ARG ALA HIS SEP SER PRO ALA SER LEU GLN n/a n/a
17 4DHP - Y07 C15 H12 Cl F3 N O5 P c1ccc(c(c1....
18 3LW1 Kd = 16.3 uM PHE LYS TPO GLU GLY PRO ASP SER ASP n/a n/a
19 3SP5 Kd = 0.56 uM LYS ARG ARG LYS SEP VAL n/a n/a
20 4DHU - 0KH C14 H12 Cl2 N O5 P c1ccc(c(c1....
21 3O8I - M1T C7 H14 O4 COCC(=O)CC....
22 5OEH - 9SZ C42 H32 O8 P2 c1ccc2c(c1....
23 4DHT - 0KG C14 H20 N O5 P c1ccc(c(c1....
24 5LU1 - ARG ARG ALA SEP ALA PRO LEU PRO n/a n/a
25 3IQJ Kd = 7.5 uM GLN ARG SER THR SEP THR PRO ASN VAL HIS n/a n/a
26 4FR3 Kd = 0.07 uM 0V4 C27 H44 O8 C[C@@H]1[C....
27 5HF3 Kd = 13.4 uM ACE ARG THR PRO SEP LEU PRO THR 60H n/a n/a
28 5N5R - NV1 C13 H20 N2 O Cc1cccc(c1....
29 4DHM - 0KB C15 H13 F3 N O5 P c1ccc(c(c1....
30 4DAT - SER SER PHE TYR PRO SEP ALA GLU GLY n/a n/a
31 6FI4 Kd = 2.2 uM PRO SEP LEU PRO DVA 60H n/a n/a
32 3IQU - GLN ARG SER THR SEP THR n/a n/a
33 4DHQ - Y06 C14 H13 Cl N O5 P c1ccc(c(c1....
34 4DHR - Y04 C14 H13 Cl N O5 P c1ccc(c(c1....
35 4Y3B ic50 = 90.1 uM 49F C7 H15 N O COCC[C@@H]....
36 5N5T - SER HIS SEP SER PRO ALA SER LEU n/a n/a
37 6FBW Kd = 16.5 uM ARG THR PRO SEP LEU PRO GLY D4K n/a n/a
38 6FAV Kd = 4.7 uM ACE ARG THR PRO SEP LEU PRO GLY D3Q n/a n/a
39 5MXO - FSC C36 H56 O12 C[C@@H]1[C....
40 6FAU Kd = 2.7 uM ACE ARG THR PRO SEP LEU PRO GLY D3W n/a n/a
41 1QJB Ki = 416 nM ALA ARG SER HIS SEP TYR PRO ALA n/a n/a
42 6FNA - DWE C50 H66 N6 O20 P2 c1ccc(c(c1....
43 4N84 Kd = 41 nM GLY MKD LEU ASP MKD LEU ASP LEU ALA SER n/a n/a
44 1QJA Ki = 416 nM ARG LEU TYR HIS SEP LEU PRO ALA n/a n/a
45 6FNC - DWK C40 H48 N4 O15 P2 c1ccc(c(c1....
46 6FN9 ic50 = 284 uM DW8 C27 H38 N3 O10 P CCCNC(=O)C....
47 2C1N - ALA ARG LYS SEP THR GLY GLY LYS n/a n/a
48 2V7D Kd = 261 nM LYS SER ALA TPO THR THR VAL MET ASN PRO n/a n/a
49 6FNB - DWQ C59 H84 N6 O22 P2 c1ccc(c(c1....
50 3NKX Kd = 7.5 uM GLN ARG SER THR SEP THR PRO ASN VAL HIS n/a n/a
51 2BR9 - ARG ARG GLN ARG SEP ALA PRO n/a n/a
52 2C63 - ARG ALA ILE SEP LEU PRO n/a n/a
53 5NWI Kd = 0.69 uM TYR PHE SER SEP ASN n/a n/a
54 1O9D Kd = 2.5 uM GLN SER TYR TPO VAL n/a n/a
55 5NWJ - HIS LEU TYR PHE SER SEP ASN n/a n/a
56 3E6Y Kd = 2.5 uM CW1 C34 H52 O12 C[C@@H]1[C....
50% Homology Family (56)
No: PDB id Binding Data Representative ligand Formula Smiles
The Class containing this family consists of a total of 60 families.
1 6FI5 Kd = 3 uM THR PRO SEP LEU PRO DAL 60H n/a n/a
2 5BTV Kd = 6.5 uM GLY SEP LEU GLY n/a n/a
3 4Y32 ic50 = 90.1 uM ARG THR PRO SEP LEU PRO THR 49F n/a n/a
4 4Y5I ic50 = 301.3 uM ACE ARG THR PRO SEP LEU PRO THR PIP n/a n/a
5 6FBB - SER ARG SEP SER PRO n/a n/a
6 5N5W - 8OE C11 H8 Cl2 N2 O c1cc(ccc1N....
7 6FBY Kd = 9.3 uM ACE ARG THR PRO SEP LEU PRO GLY D4H n/a n/a
8 4DHS - Y03 C14 H12 Cl2 N O5 P c1ccc(c(c1....
9 6GHP - ACE LYS ARG ARG LYS SEP VAL n/a n/a
10 4DHO - Y09 C15 H16 N O6 P COc1cccc(c....
11 3IQV Kd = 6.6 uM FSC C36 H56 O12 C[C@@H]1[C....
12 4IEA Kd = 346 nM ARG SER ALA SEP GLU PRO SER LEU n/a n/a
13 6FAW Kd = 2.7 uM ACE ARG THR PRO SEP LEU PRO GLY D3K n/a n/a
14 5N75 - ARG SER HIS SEP SER PRO ALA SER LEU GLN n/a n/a
15 4DHN - 0KC C13 H18 N O5 P c1ccc(c(c1....
16 3MHR - ARG ALA HIS SEP SER PRO ALA SER LEU GLN n/a n/a
17 4DHP - Y07 C15 H12 Cl F3 N O5 P c1ccc(c(c1....
18 3LW1 Kd = 16.3 uM PHE LYS TPO GLU GLY PRO ASP SER ASP n/a n/a
19 3SP5 Kd = 0.56 uM LYS ARG ARG LYS SEP VAL n/a n/a
20 4DHU - 0KH C14 H12 Cl2 N O5 P c1ccc(c(c1....
21 3O8I - M1T C7 H14 O4 COCC(=O)CC....
22 5OEH - 9SZ C42 H32 O8 P2 c1ccc2c(c1....
23 4DHT - 0KG C14 H20 N O5 P c1ccc(c(c1....
24 5LU1 - ARG ARG ALA SEP ALA PRO LEU PRO n/a n/a
25 3IQJ Kd = 7.5 uM GLN ARG SER THR SEP THR PRO ASN VAL HIS n/a n/a
26 4FR3 Kd = 0.07 uM 0V4 C27 H44 O8 C[C@@H]1[C....
27 5HF3 Kd = 13.4 uM ACE ARG THR PRO SEP LEU PRO THR 60H n/a n/a
28 5N5R - NV1 C13 H20 N2 O Cc1cccc(c1....
29 4DHM - 0KB C15 H13 F3 N O5 P c1ccc(c(c1....
30 4DAT - SER SER PHE TYR PRO SEP ALA GLU GLY n/a n/a
31 6FI4 Kd = 2.2 uM PRO SEP LEU PRO DVA 60H n/a n/a
32 3IQU - GLN ARG SER THR SEP THR n/a n/a
33 4DHQ - Y06 C14 H13 Cl N O5 P c1ccc(c(c1....
34 4DHR - Y04 C14 H13 Cl N O5 P c1ccc(c(c1....
35 4Y3B ic50 = 90.1 uM 49F C7 H15 N O COCC[C@@H]....
36 5N5T - SER HIS SEP SER PRO ALA SER LEU n/a n/a
37 6FBW Kd = 16.5 uM ARG THR PRO SEP LEU PRO GLY D4K n/a n/a
38 6FAV Kd = 4.7 uM ACE ARG THR PRO SEP LEU PRO GLY D3Q n/a n/a
39 5MXO - FSC C36 H56 O12 C[C@@H]1[C....
40 6FAU Kd = 2.7 uM ACE ARG THR PRO SEP LEU PRO GLY D3W n/a n/a
41 1QJB Ki = 416 nM ALA ARG SER HIS SEP TYR PRO ALA n/a n/a
42 6FNA - DWE C50 H66 N6 O20 P2 c1ccc(c(c1....
43 4N84 Kd = 41 nM GLY MKD LEU ASP MKD LEU ASP LEU ALA SER n/a n/a
44 1QJA Ki = 416 nM ARG LEU TYR HIS SEP LEU PRO ALA n/a n/a
45 6FNC - DWK C40 H48 N4 O15 P2 c1ccc(c(c1....
46 6FN9 ic50 = 284 uM DW8 C27 H38 N3 O10 P CCCNC(=O)C....
47 2C1N - ALA ARG LYS SEP THR GLY GLY LYS n/a n/a
48 2V7D Kd = 261 nM LYS SER ALA TPO THR THR VAL MET ASN PRO n/a n/a
49 6FNB - DWQ C59 H84 N6 O22 P2 c1ccc(c(c1....
50 3NKX Kd = 7.5 uM GLN ARG SER THR SEP THR PRO ASN VAL HIS n/a n/a
51 2BR9 - ARG ARG GLN ARG SEP ALA PRO n/a n/a
52 2C63 - ARG ALA ILE SEP LEU PRO n/a n/a
53 5NWI Kd = 0.69 uM TYR PHE SER SEP ASN n/a n/a
54 1O9D Kd = 2.5 uM GLN SER TYR TPO VAL n/a n/a
55 5NWJ - HIS LEU TYR PHE SER SEP ASN n/a n/a
56 3E6Y Kd = 2.5 uM CW1 C34 H52 O12 C[C@@H]1[C....
Polypharmacology
Similar Ligands
Ligand no: 1; Ligand: ACE ARG THR PRO SEP LEU PRO THR PIP; Similar ligands found: 65
No: Ligand ECFP6 Tc MDL keys Tc
1 ACE ARG THR PRO SEP LEU PRO THR PIP 1 1
2 ARG THR PRO SEP LEU PRO THR 0.671875 0.945946
3 ACE ARG THR PRO SEP LEU PRO GLY D4H 0.653595 0.923077
4 ACE ARG THR PRO SEP LEU PRO GLY D3W 0.645161 0.878049
5 ACE ARG THR PRO SEP LEU PRO GLY D3K 0.627329 0.869048
6 ACE ARG THR PRO SEP LEU PRO GLY D3Q 0.611111 0.888889
7 ARG THR PRO SEP LEU PRO GLY D4K 0.5625 0.876543
8 ARG ARG ALA SEP ALA PRO LEU PRO 0.517241 0.932432
9 GLN ARG SER THR SEP THR PRO ASN VAL HIS 0.496689 0.87013
10 DPN PRO DAR DTH NH2 0.485075 0.763158
11 LEU GLN ARG VAL LEU SEP ALA PRO PHE 0.474026 0.894737
12 GLY LEU LEU GLY SEP PRO VAL ARG ALA 0.473684 0.868421
13 CYS THR PRO SER ARG 0.466667 0.766234
14 ALA ASN SER ARG LEU PRO THR SER ILE ILE 0.462069 0.805195
15 SER PRO ARG LEU PRO LEU LEU GLU SER 0.460432 0.77027
16 ACE GLN GLU ARG GLU VAL PRO CYS 0.457746 0.74026
17 ALA PHE ARG ILE PRO LEU THR ARG 0.452229 0.807692
18 ALA MET ALA PRO ARG THR LEU LEU LEU 0.449664 0.797468
19 ARG ARG LEU PRO ILE PHE SER ARG LEU 0.449367 0.807692
20 ARG LEU TYR HIS SEP LEU PRO ALA 0.449102 0.8875
21 ARG GLN ALA SEP ILE GLU LEU PRO SER MET 0.448276 0.851852
22 ARG ALA ILE SEP LEU PRO 0.444444 0.789474
23 GLU ARG THR ILE PRO ILE THR ARG GLU 0.444444 0.802632
24 DPN PRO DAR ILE NH2 0.442029 0.723684
25 ALA PRO ASP THR ARG PRO 0.439716 0.805195
26 ARG SEP PRO VAL PHE SER 0.43949 0.893333
27 LYS GLY PRO PRO LEU PRO ARG PRO ARG VAL 0.435714 0.783784
28 LYS PRO VAL LEU ARG THR ALA 0.433333 0.802632
29 ALA ASN SER ARG VAL PRO THR SER ILE ILE 0.433333 0.805195
30 THR PRO SEP LEU PRO GLY D4H 0.433121 0.825
31 DTY ILE ARG LEU LPD 0.431507 0.769231
32 THR PRO SEP LEU PRO GLY D3W 0.43125 0.785714
33 5JP PRO LYS ARG ILE ALA 0.42963 0.789474
34 ALA PRO ASP THR ARG PRO ALA PRO 0.427586 0.805195
35 THR PRO SEP LEU PRO GLY D3K 0.424242 0.77907
36 ARG VAL ALA SEP PRO THR SER GLY VAL 0.424051 0.87013
37 LEU PRO PHE ASP ARG THR THR ILE MET 0.422619 0.780488
38 LYS PRO SEP GLN GLU LEU 0.42029 0.802632
39 SER ALA PRO ASP THR ARG PRO ALA 0.417219 0.818182
40 GLY GLU ARG THR ILE PRO ILE THR ARG GLU 0.415584 0.782051
41 ALA LEU PRO HIS ALA ILE LEU ARG LEU 0.414634 0.734177
42 VAL PRO LEU ARG PRO MET THR TYR 0.414634 0.792683
43 GLY LEU LEU GLY SER PRO VAL ARG ALA 0.414474 0.789474
44 ARG ARG ARG GLU ARG SER PRO THR ARG 0.414474 0.779221
45 ILE SER PRO ARG THR LEU ASP ALA TRP 0.414365 0.792683
46 VAL MET ALA PRO ARG THR LEU PHE LEU 0.413174 0.8
47 ARG PRO ARG PRO ASP ASP LEU GLU ILE 0.412903 0.779221
48 ARG LEU PRO ALA LYS ALA PRO LEU LEU 0.411765 0.8
49 ARG PRO GLN VAL PRO LEU ARG PRO MET 0.411392 0.759494
50 MET CYS PRO ARG MET THR ALA VAL MET 0.409938 0.797468
51 THR PRO ARG ARG SER MLZ SER ALA 0.409722 0.831169
52 ACE MET GLN SER SEP PRO LEU NH2 0.409396 0.810127
53 ALA ARG SER HIS SEP TYR PRO ALA 0.409357 0.851852
54 SER TYR SER PRO THR SEP PRO SER 0.407407 0.826667
55 ASN ARG PRO ILE LEU SER LEU 0.406667 0.772152
56 VAL VAL ARG PRO GLY SER LEU ASP LEU PRO 0.406061 0.818182
57 ARG PRO LYS ARG ILE ALA 0.405405 0.75
58 ARG THR PHE SER PRO THR TYR GLY LEU 0.404762 0.780488
59 SER LEU SER ARG THR PRO ALA ASP GLY ARG 0.403727 0.792208
60 ALA ARG MLZ SER ALA PRO ALA THR 0.402597 0.820513
61 THR PRO SEP LEU PRO GLY D3Q 0.402299 0.819277
62 SER TYR SEP PRO THR SEP PRO SEP TYR SER 0.401316 0.794872
63 TYR PRO LYS ARG ILE ALA 0.401274 0.759494
64 SER ARG ASP HIS SER ARG THR PRO MET 0.401163 0.771084
65 DPN PRO DAR CYS NH2 0.4 0.675325
Similar Binding Sites (Proteins are less than 50% similar to leader)
Pocket No.: 1; Query (leader) PDB : 4FR3; Ligand: LYS ARG ARG LYS SEP VAL; Similar sites found with APoc: No similar binding sites found, or similarity not calculated due to duplicate pocket.
This union binding pocket(no: 1) in the query (biounit: 4fr3.bio1) has 84 residues
No: Leader PDB Ligand Sequence Similarity
Pocket No.: 2; Query (leader) PDB : 4FR3; Ligand: 0V4; Similar sites found with APoc: 23
This union binding pocket(no: 2) in the query (biounit: 4fr3.bio1) has 84 residues
No: Leader PDB Ligand Sequence Similarity
1 4BPM GSH None
2 4BPM LVJ None
3 1I0B PEL 2.13675
4 5XJ7 87O 2.48756
5 5VRH OLB 2.99145
6 1NF8 BOG 3.38164
7 5IUY BOG 3.4188
8 4JRB PGT 3.4188
9 3MG9 GHP 3MY 3FG GHP GHP OMY 3FG 4.70085
10 1CFV E3G 5.04202
11 3V1S 0LH 5.12821
12 4OGQ UMQ 6.51163
13 4OGQ 7PH 6.51163
14 2WOR 2AN 7
15 5LX9 OLB 8.97436
16 2BCG GER 9.40171
17 3RV5 DXC 10.1124
18 6DIO CIT 11.9658
19 6GMN F4E 13.4615
20 5OCA 9QZ 19.0476
21 2Y69 CHD 20.2703
22 5ZCO CHD 20.5479
23 5Z84 CHD 20.5479
Pocket No.: 3; Query (leader) PDB : 4FR3; Ligand: 0V4; Similar sites found with APoc: No similar binding sites found, or similarity not calculated due to duplicate pocket.
This union binding pocket(no: 3) in the query (biounit: 4fr3.bio1) has 84 residues
No: Leader PDB Ligand Sequence Similarity
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