2JND - Header Asymmetric Unit

HEADER LIGAND BINDING PROTEIN 08-JAN-07 2JND

TITLE 3D NMR STRUCTURE OF ECD1 OF MCRF-R2B IN COMPLEX WITH TITLE 2 ASTRESSIN

COMPND MOL_ID: 1; COMPND 2 MOLECULE: CORTICOTROPIN-RELEASING FACTOR RECEPTOR 2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 39-133; COMPND 5 SYNONYM: CRF-R 2, CRF2, CORTICOTROPIN-RELEASING HORMONE COMPND 6 RECEPTOR 2, CRH-R 2, CRF-RB, CRH- R2; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: ASTRESSIN; COMPND 10 CHAIN: B; COMPND 11 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: CRHR2, CRF2R; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PET-32A(+)(NOVAGEN); SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES; SOURCE 12 OTHER_DETAILS: THIS PEPTIDE LIGAND IS BASED ON HUMAN CRF SOURCE 13 WHICH IS NATURALLY FOUND IN HUMANS.

KEYWDS SCR FOLD, ALPHA-HELIX, BETA-SHEETS, LIGAND BINDING PROTEIN

EXPDTA SOLUTION NMR

NUMMDL 19

AUTHOR C.R.R.GRACE,M.H.PERRIN,G.JOZSEF,M.R.DIGRUCCIO,J.P.CANTLE, AUTHOR 2 J.E.RIVIER,W.W.VALE,R.RIEK

REVDAT 3 24-FEB-09 2JND 1 VERSN REVDAT 2 27-MAR-07 2JND 1 JRNL REVDAT 1 13-MAR-07 2JND 0

JRNL AUTH C.R.R.GRACE,M.H.PERRIN,G.JOZSEF,M.R.DIGRUCCIO, JRNL AUTH 2 J.P.CANTLE,J.E.RIVIER,W.W.VALE,R.RIEK JRNL TITL STRUCTURE OF THE N-TERMINAL DOMAIN OF A TYPE B1 G JRNL TITL 2 PROTEIN-COUPLED RECEPTOR IN COMPLEX WITH A PEPTIDE JRNL TITL 3 LIGAND JRNL REF PROC.NATL.ACAD.SCI.USA V. 104 4858 2007 JRNL REFN ISSN 0027-8424 JRNL PMID 17360332 JRNL DOI 10.1073/PNAS.0700682104

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: TORSION ANGLE DYNAMICS USING CYANA, REMARK 3 DISTANCE GEOMETRY USING CNS

REMARK 4 REMARK 4 2JND COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-FEB-07. REMARK 100 THE RCSB ID CODE IS RCSB100049.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303.15 REMARK 210 PH : 5 REMARK 210 IONIC STRENGTH : 10 BIS TRIS REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.3 MM [U-100% 13C, U-100% REMARK 210 15N] ECD1-CRF-R2B-ASTRESSIN REMARK 210 COMPLEX, 95% H2O, 5% D2O; 0.4 REMARK 210 MM [U-100% 13C, U-100% 15N] REMARK 210 ECD1-CRF-R2B-ASTRESSIN REMARK 210 COMPLEX, 95% H2O, 5% D2O; 0.4 REMARK 210 MM ECD1-CRF-R2B-ASTRESSIN REMARK 210 COMPLEX, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC, 3D HNCA, 3D REMARK 210 1H-15N NOESY, 3D HCCH-TOCSY, REMARK 210 3D 1H-13C NOESY, 2D 1H-13C REMARK 210 HSQC, 2D 1H-1H TOCSY, 2D DQF- REMARK 210 COSY, 2D 1H-1H NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 700 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XEASY, CYANA 1.0.6 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS, REMARK 210 DISTANCE GEOMETRY REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 19 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 MODELS 1-19 REMARK 465 RES C SSSEQI REMARK 465 GLY A 15 REMARK 465 SER A 16 REMARK 465 GLY A 17 REMARK 465 MET A 18 REMARK 465 LYS A 19 REMARK 465 GLU A 20 REMARK 465 THR A 21 REMARK 465 ALA A 22 REMARK 465 ALA A 23 REMARK 465 ALA A 24 REMARK 465 LYS A 25 REMARK 465 PHE A 26 REMARK 465 GLU A 27 REMARK 465 ARG A 28 REMARK 465 GLN A 29 REMARK 465 HIS A 30 REMARK 465 MET A 31 REMARK 465 ASP A 32 REMARK 465 SER A 33 REMARK 465 PRO A 34 REMARK 465 ASP A 35 REMARK 465 LEU A 36 REMARK 465 GLY A 37 REMARK 465 THR A 38 REMARK 465 THR A 39 REMARK 465 LEU A 40 REMARK 465 LEU A 41 REMARK 465 GLU A 42 REMARK 465 GLN A 43 REMARK 465 ASP A 123 REMARK 465 ASP A 124 REMARK 465 LYS A 125 REMARK 465 GLN A 126 REMARK 465 ARG A 127 REMARK 465 LYS A 128 REMARK 465 TYR A 129 REMARK 465 ASP A 130 REMARK 465 LEU A 131 REMARK 465 HIS A 132 REMARK 465 TYR A 133 REMARK 465 DPN B 212 REMARK 465 HIS B 213 REMARK 465 LEU B 214 REMARK 465 LEU B 215 REMARK 465 ARG B 216 REMARK 465 GLU B 217 REMARK 465 VAL B 218 REMARK 465 LEU B 219 REMARK 465 GLU B 220 REMARK 465 NLE B 221 REMARK 465 ALA B 222 REMARK 465 ARG B 223 REMARK 465 ALA B 224 REMARK 465 GLU B 225 REMARK 465 GLN B 226 REMARK 465 NH2 B 242

REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(RES=RESIDUE NAME; REMARK 470 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 470 MODELS 1-19 REMARK 470 RES CSSEQI ATOMS REMARK 470 GLU B 230 OE2

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 ARG A 47 -162.01 69.00 REMARK 500 1 PHE A 53 174.33 59.18 REMARK 500 1 SER A 54 79.16 -178.18 REMARK 500 1 TYR A 57 -148.48 47.69 REMARK 500 1 THR A 58 43.42 -95.24 REMARK 500 1 THR A 62 117.54 -33.80 REMARK 500 1 SER A 74 -160.05 -161.63 REMARK 500 1 ASN A 89 -45.83 -179.40 REMARK 500 1 LYS A 92 144.27 84.60 REMARK 500 1 ASN A 94 -63.12 -157.79 REMARK 500 1 THR A 95 89.18 60.57 REMARK 500 1 PRO A 120 -171.04 -61.92 REMARK 500 2 HIS A 46 -82.17 -97.83 REMARK 500 2 ARG A 47 -161.08 -177.98 REMARK 500 2 THR A 48 82.52 87.63 REMARK 500 2 THR A 49 74.81 48.94 REMARK 500 2 ASN A 52 179.84 66.18 REMARK 500 2 SER A 54 77.38 -173.48 REMARK 500 2 SER A 74 -158.09 -153.44 REMARK 500 2 TYR A 87 45.12 -83.93 REMARK 500 2 ASN A 89 -44.47 -165.00 REMARK 500 2 LYS A 92 138.82 78.47 REMARK 500 2 TYR A 93 -53.41 -136.02 REMARK 500 2 PRO A 120 -154.73 -62.35 REMARK 500 2 ALA B 228 -55.04 -120.70 REMARK 500 3 HIS A 46 15.88 55.52 REMARK 500 3 SER A 54 28.82 -174.31 REMARK 500 3 PRO A 56 49.66 -80.00 REMARK 500 3 THR A 58 41.25 -83.02 REMARK 500 3 SER A 74 -150.72 -159.46 REMARK 500 3 TYR A 87 53.83 -96.10 REMARK 500 3 ASN A 89 -50.53 -175.81 REMARK 500 3 LYS A 92 -61.23 76.56 REMARK 500 3 TYR A 93 17.34 52.05 REMARK 500 3 ASN A 94 41.82 -173.72 REMARK 500 3 CYS A 103 40.56 -95.84 REMARK 500 3 LEU A 104 -167.24 52.77 REMARK 500 3 HIS A 117 -155.88 -74.11 REMARK 500 3 CYS A 118 60.95 66.37 REMARK 500 3 PRO A 120 -156.69 -60.59 REMARK 500 4 HIS A 46 38.89 -177.36 REMARK 500 4 THR A 48 -29.10 79.06 REMARK 500 4 SER A 54 -90.67 -164.70 REMARK 500 4 THR A 58 93.42 66.41 REMARK 500 4 ASN A 61 171.41 -55.93 REMARK 500 4 SER A 74 -161.43 -115.01 REMARK 500 4 PRO A 85 70.06 -66.54 REMARK 500 4 ASN A 89 -77.44 177.35 REMARK 500 4 LYS A 92 127.82 71.28 REMARK 500 4 TYR A 93 49.26 -145.62 REMARK 500 4 ASN A 94 -89.50 -142.74 REMARK 500 4 THR A 95 59.44 33.36 REMARK 500 4 SER A 116 46.08 -96.30 REMARK 500 4 HIS A 117 -154.86 -140.05 REMARK 500 4 CYS A 118 83.47 73.45 REMARK 500 4 ILE A 121 -109.39 19.30 REMARK 500 5 HIS A 46 -65.96 -157.75 REMARK 500 5 THR A 49 33.58 -140.97 REMARK 500 5 ASN A 52 -178.99 -68.73 REMARK 500 5 SER A 54 81.63 -170.46 REMARK 500 5 CYS A 60 75.19 79.12 REMARK 500 5 SER A 74 -135.00 -130.36 REMARK 500 5 ALA A 75 162.75 176.70 REMARK 500 5 PHE A 88 31.39 -97.00 REMARK 500 5 ASN A 89 -60.88 174.55 REMARK 500 5 TYR A 93 33.04 -145.86 REMARK 500 5 ASN A 94 74.44 176.41 REMARK 500 5 PRO A 120 -88.87 -84.96 REMARK 500 5 ILE A 121 81.32 -163.59 REMARK 500 6 CYS A 45 -155.68 -94.88 REMARK 500 6 HIS A 46 19.17 59.92 REMARK 500 6 ARG A 47 -81.56 -114.20 REMARK 500 6 THR A 48 -37.24 69.01 REMARK 500 6 ILE A 50 -41.83 -160.43 REMARK 500 6 ASN A 52 -176.16 69.03 REMARK 500 6 SER A 54 78.22 -169.83 REMARK 500 6 GLN A 73 175.52 74.60 REMARK 500 6 SER A 74 -162.29 178.15 REMARK 500 6 ASN A 89 -46.26 -138.84 REMARK 500 6 ASN A 94 96.71 -179.96 REMARK 500 6 TYR A 115 39.93 -91.04 REMARK 500 6 HIS A 117 -109.06 -88.56 REMARK 500 6 PRO A 120 -151.37 -74.50 REMARK 500 6 ILE A 121 150.76 179.84 REMARK 500 7 ARG A 47 -166.59 59.34 REMARK 500 7 THR A 48 84.14 79.63 REMARK 500 7 THR A 49 68.97 66.18 REMARK 500 7 SER A 54 77.85 71.69 REMARK 500 7 PRO A 56 -108.02 -85.26 REMARK 500 7 THR A 58 -60.36 -176.98 REMARK 500 7 CYS A 60 81.49 67.58 REMARK 500 7 ASN A 61 -165.65 -111.32 REMARK 500 7 GLN A 73 164.07 69.09 REMARK 500 7 SER A 74 -131.33 -179.39 REMARK 500 7 ALA A 75 167.78 177.87 REMARK 500 7 PRO A 85 70.67 -65.72 REMARK 500 7 ASN A 89 -51.74 -177.93 REMARK 500 7 LYS A 92 136.29 76.94 REMARK 500 7 TYR A 93 48.91 -149.02 REMARK 500 7 ASN A 94 -57.01 -157.67 REMARK 500 7 THR A 95 53.39 39.59 REMARK 500 7 PRO A 120 -95.97 -65.15 REMARK 500 7 ILE A 121 77.13 175.41 REMARK 500 7 ALA B 228 -63.11 178.39 REMARK 500 8 ARG A 47 -51.68 63.41 REMARK 500 8 SER A 54 80.38 -174.83 REMARK 500 8 TYR A 59 110.71 -161.38 REMARK 500 8 GLN A 73 174.87 70.23 REMARK 500 8 SER A 74 -168.65 175.65 REMARK 500 8 PRO A 85 60.68 -66.45 REMARK 500 8 ASN A 89 -57.34 -132.22 REMARK 500 8 LYS A 92 118.16 73.70 REMARK 500 8 TYR A 93 50.55 -145.64 REMARK 500 8 ASN A 94 -56.86 -161.32 REMARK 500 8 THR A 95 79.72 34.55 REMARK 500 8 CYS A 118 95.35 -163.95 REMARK 500 8 PRO A 120 -166.01 -69.31 REMARK 500 8 ALA B 228 -63.03 -91.87 REMARK 500 9 HIS A 46 -73.25 -139.06 REMARK 500 9 THR A 48 -92.52 -112.48 REMARK 500 9 THR A 49 44.10 -84.39 REMARK 500 9 PRO A 56 71.73 -66.86 REMARK 500 9 SER A 74 -152.34 -136.88 REMARK 500 9 VAL A 80 109.44 -54.22 REMARK 500 9 ARG A 82 159.03 174.94 REMARK 500 9 ASN A 89 44.10 -169.65 REMARK 500 9 LYS A 92 106.82 80.83 REMARK 500 9 ASN A 94 61.59 -176.77 REMARK 500 9 THR A 95 81.93 -64.76 REMARK 500 9 LEU A 104 -178.20 55.34 REMARK 500 9 CYS A 118 78.21 -66.82 REMARK 500 9 PRO A 120 -167.88 -63.07 REMARK 500 9 GLN B 229 -28.11 81.53 REMARK 500 10 ARG A 47 -162.50 171.03 REMARK 500 10 THR A 48 89.53 83.14 REMARK 500 10 SER A 54 50.78 -152.44 REMARK 500 10 THR A 62 96.75 -21.93 REMARK 500 10 GLN A 73 -117.94 31.12 REMARK 500 10 SER A 74 164.19 77.21 REMARK 500 10 ASN A 89 -56.68 -138.53 REMARK 500 10 LYS A 92 -57.73 -130.18 REMARK 500 10 ASN A 94 55.14 25.70 REMARK 500 10 ASN A 114 74.68 34.50 REMARK 500 10 ILE A 121 -169.12 -117.43 REMARK 500 10 GLU B 230 -54.83 -122.56 REMARK 500 11 HIS A 46 -62.53 -165.13 REMARK 500 11 ILE A 50 -5.67 64.10 REMARK 500 11 SER A 54 77.16 71.78 REMARK 500 11 THR A 58 -66.01 -154.84 REMARK 500 11 THR A 62 115.39 -37.37 REMARK 500 11 PRO A 72 -175.23 -60.47 REMARK 500 11 SER A 74 -160.73 -166.31 REMARK 500 11 TYR A 87 49.33 -83.38 REMARK 500 11 PHE A 88 30.91 -91.16 REMARK 500 11 ASN A 89 -43.65 -174.15 REMARK 500 11 LYS A 92 151.64 153.36 REMARK 500 11 TYR A 93 19.84 -145.53 REMARK 500 11 ASN A 94 -77.95 -167.39 REMARK 500 11 THR A 95 98.26 68.08 REMARK 500 11 PRO A 120 171.02 -58.99 REMARK 500 11 GLN B 229 -58.19 -148.91 REMARK 500 12 HIS A 46 -60.43 -167.58 REMARK 500 12 THR A 48 77.78 -171.61 REMARK 500 12 ASN A 52 167.17 65.48 REMARK 500 12 SER A 54 37.58 -170.02 REMARK 500 12 THR A 58 -78.71 -147.25 REMARK 500 12 THR A 62 96.58 -16.61 REMARK 500 12 SER A 74 -158.05 -169.26 REMARK 500 12 PRO A 85 60.78 -64.70 REMARK 500 12 ASN A 89 -45.93 177.81 REMARK 500 12 ILE A 91 59.76 -140.91 REMARK 500 12 LYS A 92 -52.13 -175.55 REMARK 500 12 ASN A 94 -71.91 -155.23 REMARK 500 12 THR A 95 82.64 53.59 REMARK 500 12 CYS A 118 70.44 -69.53 REMARK 500 12 PRO A 120 -93.53 -83.98 REMARK 500 12 ILE A 121 -139.91 -160.50 REMARK 500 12 GLN B 229 -53.00 67.65 REMARK 500 13 CYS A 45 -69.43 -104.19 REMARK 500 13 ARG A 47 164.60 66.27 REMARK 500 13 THR A 48 -35.83 76.12 REMARK 500 13 SER A 54 87.00 79.68 REMARK 500 13 TYR A 57 -149.34 70.58 REMARK 500 13 THR A 58 -97.48 -86.62 REMARK 500 13 SER A 74 -142.42 -159.54 REMARK 500 13 LYS A 92 148.60 72.68 REMARK 500 13 TYR A 93 35.95 -148.24 REMARK 500 13 ASN A 94 -64.05 -176.97 REMARK 500 13 THR A 95 93.98 69.87 REMARK 500 13 SER A 111 -86.23 -97.67 REMARK 500 13 ASN A 114 65.79 -69.59 REMARK 500 13 CYS A 118 54.09 -66.71 REMARK 500 13 ALA B 228 -70.94 -27.57 REMARK 500 13 GLN B 229 29.62 -153.97 REMARK 500 13 GLU B 230 -28.77 161.83 REMARK 500 14 THR A 48 -32.85 85.35 REMARK 500 14 ASN A 52 176.54 62.07 REMARK 500 14 SER A 54 65.71 67.19 REMARK 500 14 THR A 58 53.65 34.44 REMARK 500 14 GLN A 73 153.25 -48.06 REMARK 500 14 SER A 74 -160.35 -172.38 REMARK 500 14 PRO A 85 60.45 -65.48 REMARK 500 14 TYR A 87 65.69 -67.84 REMARK 500 14 ASN A 89 -45.05 165.43 REMARK 500 14 LYS A 92 -48.33 73.91 REMARK 500 14 TYR A 93 20.40 41.74 REMARK 500 14 ASN A 94 66.28 -177.25 REMARK 500 14 CYS A 118 64.97 -67.66 REMARK 500 14 ILE A 121 -153.01 -109.15 REMARK 500 15 ARG A 47 -169.16 51.23 REMARK 500 15 THR A 48 -80.44 -178.64 REMARK 500 15 ASN A 52 166.90 69.25 REMARK 500 15 SER A 54 44.61 -167.61 REMARK 500 15 PRO A 56 38.88 -87.92 REMARK 500 15 THR A 58 -46.65 -165.31 REMARK 500 15 CYS A 60 90.31 74.16 REMARK 500 15 THR A 62 107.04 -32.54 REMARK 500 15 SER A 74 -134.04 -140.02 REMARK 500 15 ALA A 75 169.54 171.32 REMARK 500 15 ASN A 89 -30.31 -165.64 REMARK 500 15 LYS A 92 135.95 70.34 REMARK 500 15 ASN A 94 64.02 173.21 REMARK 500 15 LEU A 104 -175.64 54.58 REMARK 500 15 CYS A 118 59.03 -69.22 REMARK 500 15 GLN B 229 -62.21 -139.89 REMARK 500 16 ARG A 47 157.30 154.77 REMARK 500 16 THR A 48 -75.96 -141.63 REMARK 500 16 SER A 54 42.47 -167.11 REMARK 500 16 PRO A 56 65.91 -69.51 REMARK 500 16 TYR A 57 -156.35 52.78 REMARK 500 16 CYS A 60 57.13 172.48 REMARK 500 16 ASN A 61 -162.58 -76.03 REMARK 500 16 THR A 62 134.76 -32.39 REMARK 500 16 GLN A 73 124.03 54.23 REMARK 500 16 SER A 74 179.98 179.19 REMARK 500 16 PRO A 85 58.48 -64.69 REMARK 500 16 ASN A 89 -74.32 -151.43 REMARK 500 16 LYS A 92 109.68 61.22 REMARK 500 16 ASN A 94 -62.72 -171.75 REMARK 500 16 THR A 95 61.90 37.95 REMARK 500 16 LEU A 104 -163.92 -66.39 REMARK 500 16 ASN A 106 -55.13 -150.65 REMARK 500 16 HIS A 117 56.56 -69.97 REMARK 500 16 GLU B 230 -53.84 -142.23 REMARK 500 17 HIS A 46 -49.24 -160.29 REMARK 500 17 ARG A 47 -177.71 76.32 REMARK 500 17 THR A 48 -35.70 83.18 REMARK 500 17 THR A 49 -159.09 -150.72 REMARK 500 17 ASN A 52 -134.63 -95.88 REMARK 500 17 SER A 54 85.33 177.40 REMARK 500 17 TYR A 57 49.31 -76.66 REMARK 500 17 PRO A 72 178.92 -55.79 REMARK 500 17 SER A 74 -163.49 -164.89 REMARK 500 17 ARG A 82 138.38 -173.31 REMARK 500 17 PRO A 83 124.93 -30.27 REMARK 500 17 ASN A 89 -55.20 178.59 REMARK 500 17 LYS A 92 65.44 65.28 REMARK 500 17 ASN A 94 -50.16 175.86 REMARK 500 17 THR A 95 68.16 31.64 REMARK 500 17 ALA A 99 91.14 -69.27 REMARK 500 17 ARG A 101 79.11 -112.92 REMARK 500 17 HIS A 117 -151.68 -89.56 REMARK 500 17 CYS A 118 36.51 72.39 REMARK 500 18 ASN A 52 176.42 61.61 REMARK 500 18 SER A 54 83.35 -178.93 REMARK 500 18 PRO A 56 70.32 -67.73 REMARK 500 18 TYR A 57 62.05 23.88 REMARK 500 18 THR A 58 -102.65 -138.61 REMARK 500 18 TYR A 59 156.61 175.86 REMARK 500 18 CYS A 60 81.44 -157.92 REMARK 500 18 ASN A 61 171.05 -54.71 REMARK 500 18 SER A 74 -142.61 -131.69 REMARK 500 18 VAL A 80 99.47 -69.35 REMARK 500 18 ARG A 82 134.79 176.20 REMARK 500 18 PRO A 85 57.35 -69.24 REMARK 500 18 ASN A 89 -59.26 -157.49 REMARK 500 18 LYS A 92 134.12 69.59 REMARK 500 18 ASN A 94 -52.55 167.29 REMARK 500 18 THR A 95 101.02 64.74 REMARK 500 18 TYR A 115 59.00 -93.81 REMARK 500 18 SER A 116 42.00 -91.50 REMARK 500 18 HIS A 117 -147.75 -156.79 REMARK 500 18 CYS A 118 42.25 85.90 REMARK 500 18 ALA B 228 -93.15 46.18 REMARK 500 18 GLU B 230 -20.97 161.45 REMARK 500 19 CYS A 45 -73.48 -121.73 REMARK 500 19 HIS A 46 -11.83 72.04 REMARK 500 19 SER A 54 97.78 94.21 REMARK 500 19 TYR A 57 -152.32 -85.57 REMARK 500 19 THR A 58 -32.79 87.20 REMARK 500 19 THR A 62 101.49 -15.13 REMARK 500 19 GLN A 73 157.35 73.59 REMARK 500 19 SER A 74 -168.95 161.78 REMARK 500 19 PRO A 85 64.04 -67.56 REMARK 500 19 ASN A 94 -45.32 177.38 REMARK 500 19 THR A 96 30.47 -87.20 REMARK 500 19 SER A 111 -70.17 -63.62 REMARK 500 19 SER A 116 -37.53 -37.06 REMARK 500 19 CYS A 118 64.74 -69.02 REMARK 500 19 PRO A 120 -167.61 -78.18 REMARK 500 19 ALA B 228 -62.39 69.41 REMARK 500 19 GLU B 230 -53.99 -128.22 REMARK 500 REMARK 500 REMARK: NULL

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2JNC RELATED DB: PDB REMARK 900 3D NMR STRUCTURE OF FREE ECD1 AT PH 5 REMARK 900 RELATED ID: 1U34 RELATED DB: PDB REMARK 900 3D NMR STRUCTURE OF FREE ECD1 AT PH 7.4

DBREF 2JND A 39 133 UNP Q60748 CRFR2_MOUSE 39 133 DBREF 2JND B 212 242 PDB 2JND 2JND 212 242

SEQADV 2JND GLY A 15 UNP Q60748 CLONING ARTIFACT SEQADV 2JND SER A 16 UNP Q60748 CLONING ARTIFACT SEQADV 2JND GLY A 17 UNP Q60748 CLONING ARTIFACT SEQADV 2JND MET A 18 UNP Q60748 CLONING ARTIFACT SEQADV 2JND LYS A 19 UNP Q60748 CLONING ARTIFACT SEQADV 2JND GLU A 20 UNP Q60748 CLONING ARTIFACT SEQADV 2JND THR A 21 UNP Q60748 CLONING ARTIFACT SEQADV 2JND ALA A 22 UNP Q60748 CLONING ARTIFACT SEQADV 2JND ALA A 23 UNP Q60748 CLONING ARTIFACT SEQADV 2JND ALA A 24 UNP Q60748 CLONING ARTIFACT SEQADV 2JND LYS A 25 UNP Q60748 CLONING ARTIFACT SEQADV 2JND PHE A 26 UNP Q60748 CLONING ARTIFACT SEQADV 2JND GLU A 27 UNP Q60748 CLONING ARTIFACT SEQADV 2JND ARG A 28 UNP Q60748 CLONING ARTIFACT SEQADV 2JND GLN A 29 UNP Q60748 CLONING ARTIFACT SEQADV 2JND HIS A 30 UNP Q60748 CLONING ARTIFACT SEQADV 2JND MET A 31 UNP Q60748 CLONING ARTIFACT SEQADV 2JND ASP A 32 UNP Q60748 CLONING ARTIFACT SEQADV 2JND SER A 33 UNP Q60748 CLONING ARTIFACT SEQADV 2JND PRO A 34 UNP Q60748 CLONING ARTIFACT SEQADV 2JND ASP A 35 UNP Q60748 CLONING ARTIFACT SEQADV 2JND LEU A 36 UNP Q60748 CLONING ARTIFACT SEQADV 2JND GLY A 37 UNP Q60748 CLONING ARTIFACT SEQADV 2JND THR A 38 UNP Q60748 CLONING ARTIFACT

SEQRES 1 A 119 GLY SER GLY MET LYS GLU THR ALA ALA ALA LYS PHE GLU SEQRES 2 A 119 ARG GLN HIS MET ASP SER PRO ASP LEU GLY THR THR LEU SEQRES 3 A 119 LEU GLU GLN TYR CYS HIS ARG THR THR ILE GLY ASN PHE SEQRES 4 A 119 SER GLY PRO TYR THR TYR CYS ASN THR THR LEU ASP GLN SEQRES 5 A 119 ILE GLY THR CYS TRP PRO GLN SER ALA PRO GLY ALA LEU SEQRES 6 A 119 VAL GLU ARG PRO CYS PRO GLU TYR PHE ASN GLY ILE LYS SEQRES 7 A 119 TYR ASN THR THR ARG ASN ALA TYR ARG GLU CYS LEU GLU SEQRES 8 A 119 ASN GLY THR TRP ALA SER ARG VAL ASN TYR SER HIS CYS SEQRES 9 A 119 GLU PRO ILE LEU ASP ASP LYS GLN ARG LYS TYR ASP LEU SEQRES 10 A 119 HIS TYR SEQRES 1 B 31 DPN HIS LEU LEU ARG GLU VAL LEU GLU NLE ALA ARG ALA SEQRES 2 B 31 GLU GLN LEU ALA GLN GLU ALA HIS LYS ASN ARG LYS LEU SEQRES 3 B 31 NLE GLU ILE ILE NH2

MODRES 2JND NLE B 238 LEU NORLEUCINE

HET NLE B 238 19

HETNAM NLE NORLEUCINE

FORMUL 2 NLE C6 H13 N O2

HELIX 1 1 HIS A 46 GLY A 51 5 6 HELIX 2 2 GLN B 229 LEU B 237 1 9

SHEET 1 A 2 LEU A 79 ARG A 82 0 SHEET 2 A 2 ALA A 99 GLU A 102 -1 O ARG A 101 N VAL A 80

SSBOND 1 CYS A 45 CYS A 70 1555 1555 2.03 SSBOND 2 CYS A 60 CYS A 103 1555 1555 2.03 SSBOND 3 CYS A 84 CYS A 118 1555 1555 2.03

LINK C LEU B 237 N NLE B 238 1555 1555 1.34 LINK C NLE B 238 N GLU B 239 1555 1555 1.34

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