10 20 30 40 50 60 70 80 2ECH - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER BLOOD COAGULATION INHIBITOR 13-APR-93 2ECH
TITLE ECHISTATIN-THE REFINED STRUCTURE OF A DISINTEGRIN IN TITLE 2 SOLUTION BY 1H NMR
COMPND MOL_ID: 1; COMPND 2 MOLECULE: ECHISTATIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ECHIS CARINATUS; SOURCE 3 ORGANISM_COMMON: SAW-SCALED VIPER; SOURCE 4 ORGANISM_TAXID: 40353
KEYWDS BLOOD COAGULATION INHIBITOR
EXPDTA SOLUTION NMR
NUMMDL 8
AUTHOR J.T.PELTON,R.A.ATKINSON,V.SAUDEK
REVDAT 2 24-FEB-09 2ECH 1 VERSN REVDAT 1 31-OCT-93 2ECH 0
JRNL AUTH R.A.ATKINSON,V.SAUDEK,J.T.PELTON JRNL TITL ECHISTATIN: THE REFINED STRUCTURE OF A DISINTEGRIN JRNL TITL 2 IN SOLUTION BY 1H NMR AND RESTRAINED MOLECULAR JRNL TITL 3 DYNAMICS. JRNL REF INT.J.PEPT.PROTEIN RES. V. 43 563 1994 JRNL REFN ISSN 0367-8377 JRNL PMID 7928087
REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH V.SAUDEK,R.A.ATKINSON,P.LEPAGE,J.T.PELTON REMARK 1 TITL THE SECONDARY STRUCTURE OF ECHISTATIN FROM 1H-NMR, REMARK 1 TITL 2 CIRCULAR-DICHROISM AND RAMAN SPECTROSCOPY REMARK 1 REF EUR.J.BIOCHEM. V. 202 329 1991 REMARK 1 REFN ISSN 0014-2956 REMARK 1 REFERENCE 2 REMARK 1 AUTH V.SAUDEK,R.A.ATKINSON,J.T.PELTON REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF ECHISTATIN, THE REMARK 1 TITL 2 SMALLEST ACTIVE RGD PROTEIN REMARK 1 REF BIOCHEMISTRY V. 30 7369 1991 REMARK 1 REFN ISSN 0006-2960
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4 REMARK 4 2ECH COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : NULL REMARK 210 PH : NULL REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NULL REMARK 210 SPECTROMETER FIELD STRENGTH : NULL REMARK 210 SPECTROMETER MODEL : NULL REMARK 210 SPECTROMETER MANUFACTURER : NULL REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 8 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NULL
REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS.
REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 1 PRO A 6 14.61 -57.11 REMARK 500 1 CYS A 7 -6.21 -58.64 REMARK 500 1 ARG A 9 -84.23 -77.67 REMARK 500 1 CYS A 11 -26.98 -150.78 REMARK 500 1 GLU A 16 91.26 0.16 REMARK 500 1 ASP A 29 -169.11 68.80 REMARK 500 1 ASP A 30 75.60 -156.44 REMARK 500 1 ASP A 38 40.19 -98.50 REMARK 500 1 PRO A 43 -80.59 -50.47 REMARK 500 1 HIS A 44 54.76 33.27 REMARK 500 2 PRO A 6 73.48 -28.58 REMARK 500 2 CYS A 7 -61.24 -171.28 REMARK 500 2 ARG A 9 -73.18 -22.35 REMARK 500 2 CYS A 11 -35.97 174.47 REMARK 500 2 PHE A 13 109.01 -52.47 REMARK 500 2 LEU A 14 -163.54 -73.80 REMARK 500 2 GLU A 16 113.33 0.10 REMARK 500 2 LYS A 21 -151.60 -146.93 REMARK 500 2 ARG A 22 -68.37 82.11 REMARK 500 2 ASP A 26 -86.17 -136.17 REMARK 500 2 ASP A 27 -124.64 -86.87 REMARK 500 2 ASP A 29 -165.75 -120.22 REMARK 500 2 CYS A 39 67.22 19.42 REMARK 500 3 ARG A 9 -72.85 -21.06 REMARK 500 3 CYS A 11 -43.33 152.28 REMARK 500 3 PHE A 13 107.00 -42.14 REMARK 500 3 LEU A 14 -157.67 -70.75 REMARK 500 3 LYS A 15 80.99 -69.81 REMARK 500 3 GLU A 16 111.96 -23.26 REMARK 500 3 ALA A 23 173.09 59.84 REMARK 500 3 ASP A 29 142.14 90.66 REMARK 500 3 ASP A 30 87.25 -158.79 REMARK 500 3 ASP A 38 49.15 -85.14 REMARK 500 3 CYS A 39 58.90 34.12 REMARK 500 3 PRO A 43 98.92 -60.02 REMARK 500 4 CYS A 7 17.77 -68.82 REMARK 500 4 ARG A 9 95.56 -65.10 REMARK 500 4 ASN A 10 64.85 25.62 REMARK 500 4 CYS A 11 -32.20 105.19 REMARK 500 4 PHE A 13 115.73 -21.61 REMARK 500 4 LYS A 15 41.25 -86.56 REMARK 500 4 GLU A 16 78.13 35.15 REMARK 500 4 LYS A 21 -104.97 -72.11 REMARK 500 4 ARG A 22 -52.72 -169.12 REMARK 500 4 ALA A 23 111.44 -36.42 REMARK 500 4 ASP A 26 -83.71 -71.48 REMARK 500 4 ASP A 27 59.27 -113.17 REMARK 500 4 MET A 28 -51.57 -122.08 REMARK 500 4 ASP A 30 96.38 -164.00 REMARK 500 4 ASP A 38 61.59 -109.57 REMARK 500 4 CYS A 39 74.79 14.50 REMARK 500 4 ARG A 41 48.07 -77.25 REMARK 500 4 ASN A 42 93.20 67.66 REMARK 500 4 PRO A 43 87.13 -48.16 REMARK 500 4 LYS A 45 178.32 63.58 REMARK 500 4 ALA A 48 -56.88 75.38 REMARK 500 5 ARG A 9 -72.36 -16.59 REMARK 500 5 CYS A 11 -30.65 172.95 REMARK 500 5 LEU A 14 -158.37 -71.93 REMARK 500 5 GLU A 16 120.89 -20.71 REMARK 500 5 MET A 28 -32.67 75.64 REMARK 500 5 CYS A 37 53.96 -140.26 REMARK 500 5 ASP A 38 43.09 -92.51 REMARK 500 5 CYS A 39 63.79 36.70 REMARK 500 5 HIS A 44 29.85 -156.12 REMARK 500 6 PRO A 6 -12.73 -48.97 REMARK 500 6 ARG A 9 -79.15 -11.09 REMARK 500 6 CYS A 11 -33.12 163.23 REMARK 500 6 LEU A 14 -165.88 -75.04 REMARK 500 6 GLU A 16 132.01 61.23 REMARK 500 6 LYS A 21 -86.83 -78.72 REMARK 500 6 ARG A 22 125.31 105.36 REMARK 500 6 ALA A 23 -118.25 -136.12 REMARK 500 6 ASP A 30 106.13 -165.76 REMARK 500 6 CYS A 39 68.87 19.31 REMARK 500 6 ASN A 42 100.29 50.89 REMARK 500 7 SER A 4 99.02 77.24 REMARK 500 7 ARG A 9 101.03 -52.81 REMARK 500 7 ASN A 10 -58.15 65.61 REMARK 500 7 CYS A 11 24.21 -156.54 REMARK 500 7 PHE A 13 108.64 -15.08 REMARK 500 7 LYS A 15 49.08 -90.90 REMARK 500 7 GLU A 16 85.42 39.98 REMARK 500 7 CYS A 20 -70.37 -86.69 REMARK 500 7 ARG A 22 80.10 76.29 REMARK 500 7 ASP A 26 -76.51 -83.44 REMARK 500 7 ASP A 27 -121.79 -144.54 REMARK 500 7 ASP A 29 148.25 75.75 REMARK 500 7 CYS A 39 73.17 5.26 REMARK 500 7 ASN A 42 96.98 54.36 REMARK 500 7 LYS A 45 -78.58 -97.21 REMARK 500 8 SER A 4 122.22 -177.69 REMARK 500 8 ARG A 9 97.27 -51.96 REMARK 500 8 ASN A 10 -60.24 64.79 REMARK 500 8 PHE A 13 104.80 -17.82 REMARK 500 8 LEU A 14 -168.43 -71.03 REMARK 500 8 LYS A 15 77.53 -69.62 REMARK 500 8 GLU A 16 113.18 -17.39 REMARK 500 8 ASP A 27 -139.95 -111.30 REMARK 500 8 ASP A 29 162.21 79.59 REMARK 500 8 ASP A 38 45.05 -98.79 REMARK 500 8 CYS A 39 70.30 17.41 REMARK 500 8 ASN A 42 88.56 31.57 REMARK 500 8 PRO A 43 81.50 -55.03 REMARK 500 8 ALA A 48 -30.37 71.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 PRO A 6 CYS A 7 1 132.51 REMARK 500 CYS A 7 CYS A 8 2 145.60 REMARK 500 MET A 28 ASP A 29 2 -147.60 REMARK 500 CYS A 32 ASN A 33 3 -149.33 REMARK 500 CYS A 8 ARG A 9 4 -149.18 REMARK 500 ASP A 29 ASP A 30 5 -144.91 REMARK 500 CYS A 8 ARG A 9 7 -149.46 REMARK 500 CYS A 8 ARG A 9 8 -130.26 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 4 HIS A 44 0.08 SIDE_CHAIN REMARK 500 5 HIS A 44 0.09 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL
REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: RGD REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NH2 A 50
DBREF 2ECH A 1 49 UNP P17347 DISI_ECHCA 1 49
SEQRES 1 A 50 GLU CYS GLU SER GLY PRO CYS CYS ARG ASN CYS LYS PHE SEQRES 2 A 50 LEU LYS GLU GLY THR ILE CYS LYS ARG ALA ARG GLY ASP SEQRES 3 A 50 ASP MET ASP ASP TYR CYS ASN GLY LYS THR CYS ASP CYS SEQRES 4 A 50 PRO ARG ASN PRO HIS LYS GLY PRO ALA THR NH2
HET NH2 A 50 3
HETNAM NH2 AMINO GROUP
FORMUL 1 NH2 H2 N
SHEET 1 A 2 THR A 18 ILE A 19 0 SHEET 2 A 2 TYR A 31 CYS A 32 -1 N CYS A 32 O THR A 18
SSBOND 1 CYS A 2 CYS A 11 1555 1555 2.04 SSBOND 2 CYS A 7 CYS A 32 1555 1555 2.01 SSBOND 3 CYS A 8 CYS A 37 1555 1555 2.03 SSBOND 4 CYS A 20 CYS A 39 1555 1555 2.04
LINK C THR A 49 N NH2 A 50 1555 1555 1.34
SITE 1 RGD 3 ARG A 24 GLY A 25 ASP A 26 SITE 1 AC1 1 THR A 49
CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1
ORIGX1 1.000000 0.000000 0.000000 0.00000
ORIGX2 0.000000 1.000000 0.000000 0.00000
ORIGX3 0.000000 0.000000 1.000000 0.00000
SCALE1 1.000000 0.000000 0.000000 0.00000
SCALE2 0.000000 1.000000 0.000000 0.00000
SCALE3 0.000000 0.000000 1.000000 0.00000