0.045604 0.000000 0.018157 0.000000 0.097857 0.000000 0.000000 0.000000 0.060161 0.00000 0.00000 0.00000 Sato, T. Shimonishi, Y. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 2 90.00 111.71 90.00 21.928 10.219 17.891 C3 H7 N O2 89.093 y ALANINE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y LEUCINE L-peptide linking C3 H6 O S 90.144 2-MERCAPTO-PROPION ALDEHYDE non-polymer C5 H9 N O2 115.130 y PROLINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 33 8641 8650 10.1021/bi00195a004 8038153 Structural characteristics for biological activity of heat-stable enterotoxin produced by enterotoxigenic Escherichia coli: X-ray crystallography of weakly toxic and nontoxic analogs. 1994 JA Bull.Chem.Soc.Jpn. BCSJA8 0007 0009-2673 65 938 Semi-Preparative Purification and Crystallization of Synthetic Analogs of Heat-Stable Enterotoxin of Enterotoxigenic Escherichia Coli 1992 US J.Biol.Chem. JBCHA3 0071 0021-9258 266 5934 Molecular Structure of the Toxic Domain of Heat-Stable Enterotoxin Produced by a Pathogenic Strain of Escherichia Coli 1991 JA Bull.Chem.Soc.Jpn. BCSJA8 0007 0009-2673 63 2063 Structure-Activity Relationship of Escherichia Coli Heat-Stable Enterotoxin: Role of Ala Residue at Position 14 in Toxin-Receptor Interaction 1990 NE FEBS Lett. FEBLAL 0165 0014-5793 181 138 Essential Structure for Full Enterotoxigenic Activity of Heat-Stable Enterotoxin Produced by Enterotoxigenic Escherichia Coli 1985 10.2210/pdb1etl/pdb pdb_00001etl 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 x-ray 1 1.0 1244.529 5-BETA-MERCAPTOPROPIONATE HEAT-STABLE ENTEROTOXIN A13G 1 man polymer 18.015 water 13 nat water (MPR==5==,GLY==13==)STP(5-17) no yes (MPR)CELCCNPGCAGC XCELCCNPGCAGC A polypeptide(L) n n n n n n n n n n n n n Escherichia 18D sample 562 Escherichia coli 1.50 17.80 pdbx_database_status struct_conf struct_conf_type database_2 struct_conn struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Other Derived calculations Other Database references Derived calculations 1 0 1996-01-29 1 1 2008-03-03 1 2 2011-07-13 1 3 2013-06-19 1 4 2017-11-29 1 5 2021-11-03 _pdbx_database_status.process_site _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.pdbx_leaving_atom_flag _struct_ref_seq_dif.details Y BNL 1994-03-15 REL REL HOH water IN SITE RECORDS BELOW, GLY 13 IS ALA 13 IN NATURAL TOXIN. THE SEQUENCE IS BASED ON SEQUENCE FROM ENTEROTOXIGENIC (ESCHERICHIA COLI, STRAIN 18D). THE THIRTEEN RESIDUE PEPTIDE CORRESPONDS TO RESIDUES 5 - 17, WITH ALA 13 REPLACED BY GLY. HOH 1 2 HOH HOH 18 A HOH 2 2 HOH HOH 19 A HOH 3 2 HOH HOH 20 A HOH 4 2 HOH HOH 21 A HOH 5 2 HOH HOH 22 A HOH 6 2 HOH HOH 23 A HOH 7 2 HOH HOH 24 A HOH 8 2 HOH HOH 25 A HOH 9 2 HOH HOH 26 A HOH 10 2 HOH HOH 27 A HOH 11 2 HOH HOH 28 A HOH 12 2 HOH HOH 29 A HOH 13 2 HOH HOH 30 A MPR 5 n 1 MPR 5 A CYS 6 n 2 CYS 6 A GLU 7 n 3 GLU 7 A LEU 8 n 4 LEU 8 A CYS 9 n 5 CYS 9 A CYS 10 n 6 CYS 10 A ASN 11 n 7 ASN 11 A PRO 12 n 8 PRO 12 A GLY 13 n 9 GLY 13 A CYS 14 n 10 CYS 14 A ALA 15 n 11 ALA 15 A GLY 16 n 12 GLY 16 A CYS 17 n 13 CYS 17 A author_defined_assembly 1 monomeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 1 A A HE2 O GLU HOH 7 21 1.57 1 A A O O HOH HOH 26 30 2.18 1 -12.71 2.10 122.30 109.59 A A A C N CA ALA GLY GLY 15 16 16 Y 1 A A CD OE2 GLU GLU 7 7 0.101 0.011 1.252 1.353 N 0.073 0.89 10.6 5492 99.4 1 3.0 0.89 10.6 13 94 0 0 81 refinement FMLS/VP STRUCTURAL CHARACTERISTICS FOR BIOLOGICAL ACTIVITY OF HEAT-STABLE ENTEROTOXIN PRODUCED BY ENTEROTOXIGENIC ESCHERICHIA COLI: X-RAY CRYSTALLOGRAPHY OF WEAKLY TOXIC AND NONTOXIC ANALOGS 1 N N 2 N N A MPR 5 A MPR 1 HELX_P N-TERMINAL SEGMENT A CYS 9 A CYS 5 5 H1 5 disulf 2.030 A CYS 6 A SG CYS 2 1_555 A CYS 14 A SG CYS 10 1_555 disulf 2.035 A CYS 9 A SG CYS 5 1_555 A CYS 17 A SG CYS 13 1_555 covale 1.338 one A MPR 5 A C1 MPR 1 1_555 A CYS 6 A N CYS 2 1_555 covale 2.030 none A MPR 5 A S3 MPR 1 1_555 A CYS 10 A SG CYS 6 1_555 ENTEROTOXIN ENTEROTOXIN HST1_ECOLI UNP 1 1 P01559 MKKLMLAIFISVLSFPSFSQSTESLDSSKEKITLETKKCDVVKNNSEKKSENMNNTFYCCELCCNPACAGCY 60 71 1ETL 6 17 P01559 A 1 2 13 1 ALA engineered mutation GLY 13 1ETL A P01559 UNP 67 9 THE RECEPTOR BINDING SITE DEDUCED FROM CHEMICAL MUTATION STUDY Author 3 PUTATIVE CATION BINDING SITE SUGGESTED FROM CONFORMATIONAL SIMILARITIES TO IONOPHORE PEPTIDES. Author 6 A ASN 11 A ASN 7 3 1_555 A PRO 12 A PRO 8 3 1_555 A GLY 13 A GLY 9 3 1_555 A PRO 12 A PRO 8 6 1_555 A GLY 13 A GLY 9 6 1_555 A CYS 14 A CYS 10 6 1_555 A ALA 15 A ALA 11 6 1_555 A GLY 16 A GLY 12 6 1_555 A CYS 17 A CYS 13 6 1_555 4 P 1 21 1