1D2J - Header Asymmetric Unit

HEADER SIGNALING PROTEIN 23-SEP-99 1D2J

TITLE LDL RECEPTOR LIGAND-BINDING MODULE 6

COMPND MOL_ID: 1; COMPND 2 MOLECULE: LOW-DENSITY LIPOPROTEIN RECEPTOR; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: LIGAND-BINDING DOMAIN, SIXTH REPEAT; COMPND 5 SYNONYM: LR6*; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PMM-LR6*

KEYWDS RECEPTOR, LDLR, CYSTEINE-RICH MODULE, CALCIUM LIGAND- KEYWDS 2 BINDING, FAMILIAL HYPERCHOLESTEROLEMIA, SIGNALING PROTEIN

EXPDTA SOLUTION NMR

NUMMDL 20

AUTHOR C.L.NORTH,S.C.BLACKLOW

REVDAT 2 24-FEB-09 1D2J 1 VERSN REVDAT 1 22-MAR-00 1D2J 0

JRNL AUTH C.L.NORTH,S.C.BLACKLOW JRNL TITL SOLUTION STRUCTURE OF THE SIXTH LDL-A MODULE OF JRNL TITL 2 THE LDL RECEPTOR. JRNL REF BIOCHEMISTRY V. 39 2564 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 10704205 JRNL DOI 10.1021/BI992087A

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.L.NORTH,S.C.BLACKLOW REMARK 1 TITL STRUCTURAL INDEPENDENCE OF LIGAND-BINDING MODULES REMARK 1 TITL 2 FIVE AND SIX OF THE LDL RECEPTOR REMARK 1 REF BIOCHEMISTRY V. 38 3926 1999 REMARK 1 REFN ISSN 0006-2960 REMARK 1 DOI 10.1021/BI9821622

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8.1 REMARK 3 AUTHORS : A. BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 541 UNIQUE NOE DISTANCES, 3 REMARK 3 DISULFIDE BONDS, 9 H-BONDS, 17 DISTANCES DEFINE THE CA++ REMARK 3 BINDING SITE, 17 PHI ANGLES DERIVED FROM J-HNHA MEASUREMENTS

REMARK 4 REMARK 4 1D2J COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-SEP-99. REMARK 100 THE RCSB ID CODE IS RCSB009734.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298; 298; 298; 298 REMARK 210 PH : 5.2; 5.2; 5.2; 5.2 REMARK 210 IONIC STRENGTH : 10 MM; 10 MM; 10 MM; 10 MM REMARK 210 PRESSURE : 1 ATM; 1 ATM; 1 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : 1 MM LR6 U-15N; 10 MM CACL2; REMARK 210 1 MM LR6 U-15N; 10 MM CACL2; 1 REMARK 210 MM LR6 UNLABELED; 10 MM CACL2; REMARK 210 1 MM LR6 UNLABELED; 10 MM CACL2 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_15N-SEPARATED_NOESY, REMARK 210 HYDROGEN EXCHANGE, 2D NOESY, REMARK 210 HMQC-J REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ, 400 MHZ REMARK 210 SPECTROMETER MODEL : UNITY, UNITYPLUS REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : FELIX 97.0, XEASY 1.3.13, REMARK 210 DYANA 1.5 REMARK 210 METHOD USED : SIMULATED ANNEALING IN REMARK 210 TORSION ANGLE SPACE FOLLOWED REMARK 210 BY SIMULATED ANNEALING REMARK 210 REFINEMENT IN 3D COORDINATE REMARK 210 SPACE. REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 60 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY 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 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 ALA A 213 36.54 -153.02 REMARK 500 1 THR A 214 -0.76 73.08 REMARK 500 1 CYS A 215 -78.02 -116.02 REMARK 500 1 ASP A 218 60.15 173.96 REMARK 500 1 GLU A 219 -150.44 -117.72 REMARK 500 1 CYS A 234 76.99 37.69 REMARK 500 1 ASP A 235 29.11 -140.68 REMARK 500 1 GLU A 237 76.75 -152.69 REMARK 500 1 TYR A 238 90.90 -34.22 REMARK 500 1 LYS A 241 -42.27 70.43 REMARK 500 1 LEU A 243 99.81 72.94 REMARK 500 1 SER A 244 -27.08 -171.48 REMARK 500 1 GLU A 246 -43.53 -141.96 REMARK 500 1 VAL A 247 89.38 -33.41 REMARK 500 1 CYS A 249 -146.73 -124.61 REMARK 500 2 ALA A 213 28.79 -148.29 REMARK 500 2 CYS A 215 -71.84 -113.41 REMARK 500 2 ASP A 218 12.18 -144.88 REMARK 500 2 GLU A 219 -150.77 -89.78 REMARK 500 2 CYS A 234 91.83 34.18 REMARK 500 2 ASP A 235 21.22 -150.16 REMARK 500 2 TYR A 238 87.23 -67.00 REMARK 500 2 LYS A 241 -42.25 69.50 REMARK 500 2 LEU A 243 98.36 69.77 REMARK 500 2 SER A 244 -31.04 -164.45 REMARK 500 2 GLU A 246 -75.12 -127.38 REMARK 500 2 VAL A 247 77.27 0.69 REMARK 500 2 CYS A 249 -135.70 -88.25 REMARK 500 3 ALA A 213 39.62 -155.20 REMARK 500 3 THR A 214 -2.47 74.08 REMARK 500 3 CYS A 215 -80.02 -123.45 REMARK 500 3 ASP A 218 67.77 167.55 REMARK 500 3 GLU A 219 -149.64 -132.00 REMARK 500 3 CYS A 234 84.70 28.04 REMARK 500 3 ASP A 235 33.36 -143.43 REMARK 500 3 TYR A 238 75.47 -54.36 REMARK 500 3 LYS A 241 -43.55 70.50 REMARK 500 3 LEU A 243 98.04 67.80 REMARK 500 3 SER A 244 -32.44 -163.51 REMARK 500 3 GLU A 246 -74.46 -111.05 REMARK 500 3 VAL A 247 94.61 -44.87 REMARK 500 3 VAL A 250 28.07 37.15 REMARK 500 4 ALA A 213 53.61 -111.50 REMARK 500 4 THR A 214 -61.57 66.01 REMARK 500 4 GLU A 219 -151.65 -91.89 REMARK 500 4 CYS A 234 85.47 28.77 REMARK 500 4 ASP A 235 33.37 -145.18 REMARK 500 4 TYR A 238 75.52 -53.71 REMARK 500 4 LYS A 241 -42.88 70.82 REMARK 500 4 LEU A 243 95.93 67.94 REMARK 500 4 SER A 244 -33.34 -160.22 REMARK 500 4 GLU A 246 -72.76 -109.21 REMARK 500 4 VAL A 247 89.28 -52.72 REMARK 500 4 CYS A 249 -146.95 -123.04 REMARK 500 5 ALA A 213 31.50 -154.40 REMARK 500 5 THR A 214 -1.94 73.17 REMARK 500 5 CYS A 215 -70.75 -120.23 REMARK 500 5 GLU A 219 -155.25 -101.62 REMARK 500 5 CYS A 234 87.54 30.05 REMARK 500 5 ASP A 235 34.16 -146.60 REMARK 500 5 TYR A 238 76.75 -51.97 REMARK 500 5 LYS A 241 -42.96 71.19 REMARK 500 5 LEU A 243 95.44 69.25 REMARK 500 5 SER A 244 -31.12 -160.92 REMARK 500 5 GLU A 246 -71.16 -103.53 REMARK 500 5 VAL A 247 97.55 -43.31 REMARK 500 5 CYS A 249 -137.85 -100.55 REMARK 500 6 ALA A 213 35.38 -150.74 REMARK 500 6 CYS A 215 -79.69 -117.34 REMARK 500 6 ASP A 218 42.78 -157.83 REMARK 500 6 GLU A 219 -147.47 -120.60 REMARK 500 6 CYS A 234 86.45 29.62 REMARK 500 6 ASP A 235 31.62 -146.80 REMARK 500 6 TYR A 238 74.48 -54.17 REMARK 500 6 LYS A 241 -43.30 70.31 REMARK 500 6 LEU A 243 97.24 68.14 REMARK 500 6 SER A 244 -32.02 -161.50 REMARK 500 6 GLU A 246 -74.22 -114.97 REMARK 500 6 VAL A 247 95.83 -45.33 REMARK 500 7 ALA A 213 35.09 -145.81 REMARK 500 7 THR A 214 -1.92 73.87 REMARK 500 7 CYS A 215 -79.74 -121.90 REMARK 500 7 PRO A 217 38.90 -81.87 REMARK 500 7 ASP A 218 50.30 171.39 REMARK 500 7 GLU A 219 -149.48 -125.55 REMARK 500 7 CYS A 234 87.44 31.31 REMARK 500 7 ASP A 235 32.26 -148.33 REMARK 500 7 TYR A 238 74.79 -54.69 REMARK 500 7 LYS A 241 -43.34 69.66 REMARK 500 7 LEU A 243 98.46 68.37 REMARK 500 7 SER A 244 -31.52 -162.94 REMARK 500 7 GLU A 246 -73.23 -110.09 REMARK 500 7 VAL A 247 96.83 -46.39 REMARK 500 7 CYS A 249 -138.65 -85.49 REMARK 500 8 ALA A 213 31.17 -141.50 REMARK 500 8 THR A 214 -1.38 73.30 REMARK 500 8 CYS A 215 -78.21 -112.71 REMARK 500 8 GLU A 219 -148.89 -81.51 REMARK 500 8 CYS A 234 76.92 15.76 REMARK 500 8 TYR A 238 75.24 -55.23 REMARK 500 8 LYS A 241 -43.55 70.64 REMARK 500 8 LEU A 243 98.44 66.47 REMARK 500 8 SER A 244 -33.18 -163.29 REMARK 500 8 GLU A 246 -75.76 -115.92 REMARK 500 8 VAL A 247 93.75 -42.60 REMARK 500 8 CYS A 249 -145.53 -129.36 REMARK 500 9 ALA A 213 42.41 -161.29 REMARK 500 9 THR A 214 -1.53 73.57 REMARK 500 9 CYS A 215 -81.38 -111.70 REMARK 500 9 PRO A 217 33.68 -81.39 REMARK 500 9 ASP A 218 56.12 169.93 REMARK 500 9 GLU A 219 -149.92 -125.54 REMARK 500 9 ASN A 226 -171.04 79.71 REMARK 500 9 CYS A 234 71.47 37.85 REMARK 500 9 GLU A 237 83.24 -153.04 REMARK 500 9 TYR A 238 90.64 -34.05 REMARK 500 9 LYS A 241 -42.77 72.39 REMARK 500 9 LEU A 243 105.15 70.56 REMARK 500 9 SER A 244 -27.57 -172.75 REMARK 500 9 GLU A 246 -41.23 -141.73 REMARK 500 9 VAL A 247 91.06 -29.13 REMARK 500 9 CYS A 249 -136.62 -91.21 REMARK 500 10 ALA A 213 41.66 -160.24 REMARK 500 10 THR A 214 -2.65 74.01 REMARK 500 10 CYS A 215 -80.23 -119.13 REMARK 500 10 PRO A 217 34.21 -82.03 REMARK 500 10 ASP A 218 58.39 171.69 REMARK 500 10 GLU A 219 -149.28 -130.37 REMARK 500 10 CYS A 234 87.32 33.94 REMARK 500 10 ASP A 235 39.73 -151.11 REMARK 500 10 TYR A 238 75.38 -52.32 REMARK 500 10 LYS A 241 -43.45 71.32 REMARK 500 10 LEU A 243 95.57 69.36 REMARK 500 10 SER A 244 -30.40 -160.04 REMARK 500 10 GLU A 246 -70.08 -101.32 REMARK 500 10 VAL A 247 97.57 -44.49 REMARK 500 10 VAL A 250 -23.76 161.99 REMARK 500 11 ALA A 213 -106.14 -134.91 REMARK 500 11 CYS A 215 -63.43 -102.66 REMARK 500 11 ASP A 218 27.17 -170.62 REMARK 500 11 GLU A 219 -148.05 -75.45 REMARK 500 11 CYS A 234 76.89 38.42 REMARK 500 11 ARG A 236 36.57 72.05 REMARK 500 11 TYR A 238 89.80 -47.77 REMARK 500 11 LYS A 241 -45.33 69.33 REMARK 500 11 LEU A 243 108.94 66.02 REMARK 500 11 SER A 244 -39.68 -173.42 REMARK 500 11 GLU A 246 -67.93 -143.93 REMARK 500 11 VAL A 247 71.46 11.42 REMARK 500 11 CYS A 249 -130.86 -76.72 REMARK 500 12 ALA A 213 43.26 -153.29 REMARK 500 12 CYS A 215 -88.14 -129.57 REMARK 500 12 ASP A 218 59.22 174.54 REMARK 500 12 GLU A 219 -147.20 -126.54 REMARK 500 12 CYS A 234 88.39 32.06 REMARK 500 12 ASP A 235 18.21 -142.64 REMARK 500 12 TYR A 238 85.69 -49.84 REMARK 500 12 LYS A 241 -42.98 72.17 REMARK 500 12 LEU A 243 95.41 69.76 REMARK 500 12 SER A 244 -31.87 -160.88 REMARK 500 12 GLU A 246 -72.00 -101.81 REMARK 500 12 VAL A 247 99.57 -44.72 REMARK 500 12 CYS A 249 -137.79 -102.81 REMARK 500 13 ALA A 213 47.16 -162.49 REMARK 500 13 THR A 214 -2.61 74.12 REMARK 500 13 CYS A 215 -86.41 -108.32 REMARK 500 13 ASP A 218 18.42 -166.02 REMARK 500 13 GLU A 219 -155.09 -73.88 REMARK 500 13 CYS A 234 87.67 36.81 REMARK 500 13 ASP A 235 11.05 -152.42 REMARK 500 13 ARG A 236 43.92 72.07 REMARK 500 13 LYS A 241 -43.78 68.43 REMARK 500 13 LEU A 243 100.37 69.40 REMARK 500 13 SER A 244 -32.09 -171.16 REMARK 500 13 GLU A 246 -77.75 -108.26 REMARK 500 13 VAL A 247 116.88 -38.63 REMARK 500 13 CYS A 249 -138.87 -109.58 REMARK 500 14 ALA A 213 36.93 -152.92 REMARK 500 14 THR A 214 -3.45 74.46 REMARK 500 14 CYS A 215 -79.39 -119.74 REMARK 500 14 ASP A 218 40.35 -170.66 REMARK 500 14 GLU A 219 -149.57 -115.81 REMARK 500 14 ASN A 226 -169.67 79.65 REMARK 500 14 CYS A 234 84.17 29.34 REMARK 500 14 ASP A 235 32.18 -145.84 REMARK 500 14 TYR A 238 74.43 -54.20 REMARK 500 14 LYS A 241 -43.84 69.11 REMARK 500 14 LEU A 243 99.22 68.10 REMARK 500 14 SER A 244 -32.40 -162.26 REMARK 500 14 GLU A 246 -73.82 -108.66 REMARK 500 14 VAL A 247 93.21 -48.58 REMARK 500 14 VAL A 250 24.78 42.24 REMARK 500 15 ALA A 213 54.66 -111.92 REMARK 500 15 THR A 214 -61.51 66.15 REMARK 500 15 PRO A 217 46.25 -79.72 REMARK 500 15 ASP A 218 32.14 175.49 REMARK 500 15 GLU A 219 -157.30 -123.22 REMARK 500 15 CYS A 234 86.16 29.05 REMARK 500 15 ASP A 235 34.59 -143.89 REMARK 500 15 TYR A 238 78.22 -50.21 REMARK 500 15 LYS A 241 -43.52 70.31 REMARK 500 15 LEU A 243 96.53 68.32 REMARK 500 15 SER A 244 -32.38 -161.60 REMARK 500 15 GLU A 246 -72.94 -100.33 REMARK 500 15 VAL A 247 96.60 -43.62 REMARK 500 16 ALA A 213 33.03 -154.94 REMARK 500 16 THR A 214 -2.80 73.84 REMARK 500 16 CYS A 215 -72.27 -117.55 REMARK 500 16 GLU A 219 -150.22 -99.48 REMARK 500 16 CYS A 234 91.10 40.37 REMARK 500 16 ASP A 235 9.62 -154.32 REMARK 500 16 ARG A 236 41.66 73.98 REMARK 500 16 TYR A 238 82.57 -56.58 REMARK 500 16 LYS A 241 -43.98 71.33 REMARK 500 16 LEU A 243 100.42 63.32 REMARK 500 16 SER A 244 -34.61 -164.44 REMARK 500 16 GLU A 246 -102.37 -140.28 REMARK 500 16 VAL A 247 95.50 -43.95 REMARK 500 16 CYS A 249 -141.86 -117.20 REMARK 500 17 ALA A 213 44.87 -156.83 REMARK 500 17 CYS A 215 -87.60 -126.79 REMARK 500 17 ASP A 218 38.26 166.11 REMARK 500 17 GLU A 219 -153.66 -117.42 REMARK 500 17 CYS A 234 87.85 32.36 REMARK 500 17 ASP A 235 45.86 -150.39 REMARK 500 17 TYR A 238 76.19 -52.28 REMARK 500 17 LYS A 241 -44.32 69.66 REMARK 500 17 LEU A 243 100.00 67.74 REMARK 500 17 SER A 244 -31.56 -164.02 REMARK 500 17 GLU A 246 -73.45 -103.49 REMARK 500 17 VAL A 247 93.49 -46.72 REMARK 500 17 VAL A 250 25.78 42.12 REMARK 500 18 ALA A 213 49.94 -162.73 REMARK 500 18 CYS A 215 -89.52 -124.30 REMARK 500 18 ASP A 218 39.38 167.67 REMARK 500 18 GLU A 219 -165.55 -115.87 REMARK 500 18 ARG A 232 51.44 -119.45 REMARK 500 18 CYS A 234 30.73 35.79 REMARK 500 18 LYS A 241 -44.89 73.52 REMARK 500 18 LEU A 243 105.95 65.75 REMARK 500 18 SER A 244 -39.12 -162.21 REMARK 500 18 GLU A 246 -55.12 -144.71 REMARK 500 18 VAL A 247 80.08 33.15 REMARK 500 18 CYS A 249 105.34 55.15 REMARK 500 19 ALA A 213 46.01 -159.31 REMARK 500 19 CYS A 215 -88.16 -126.63 REMARK 500 19 ASP A 218 38.63 165.92 REMARK 500 19 GLU A 219 -158.63 -116.55 REMARK 500 19 ASN A 226 169.83 79.48 REMARK 500 19 CYS A 234 84.92 28.10 REMARK 500 19 ASP A 235 32.63 -144.70 REMARK 500 19 TYR A 238 75.80 -53.92 REMARK 500 19 LYS A 241 -43.89 71.36 REMARK 500 19 LEU A 243 97.60 68.18 REMARK 500 19 SER A 244 -31.28 -160.93 REMARK 500 19 GLU A 246 -74.60 -108.14 REMARK 500 19 VAL A 247 94.08 -47.54 REMARK 500 19 VAL A 250 25.68 41.25 REMARK 500 20 ALA A 213 35.20 -151.04 REMARK 500 20 THR A 214 -3.94 74.79 REMARK 500 20 CYS A 215 -79.49 -116.69 REMARK 500 20 ASP A 218 32.78 -160.49 REMARK 500 20 GLU A 219 -146.73 -96.20 REMARK 500 20 ASN A 226 -153.58 42.49 REMARK 500 20 CYS A 234 63.95 25.97 REMARK 500 20 TYR A 238 80.41 -43.35 REMARK 500 20 LYS A 241 14.33 58.81 REMARK 500 20 LEU A 243 83.78 62.23 REMARK 500 20 SER A 244 -35.90 -159.73 REMARK 500 20 GLU A 246 -76.87 -141.75 REMARK 500 20 VAL A 247 92.09 -44.88 REMARK 500 20 CYS A 249 -149.57 -132.30 REMARK 500 20 VAL A 250 37.21 -81.90 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 1 ARG A 216 0.26 SIDE_CHAIN REMARK 500 1 ARG A 232 0.22 SIDE_CHAIN REMARK 500 1 ARG A 236 0.20 SIDE_CHAIN REMARK 500 2 ARG A 216 0.23 SIDE_CHAIN REMARK 500 2 ARG A 232 0.20 SIDE_CHAIN REMARK 500 2 ARG A 236 0.29 SIDE_CHAIN REMARK 500 3 ARG A 216 0.21 SIDE_CHAIN REMARK 500 3 ARG A 232 0.28 SIDE_CHAIN REMARK 500 3 ARG A 236 0.31 SIDE_CHAIN REMARK 500 4 ARG A 216 0.19 SIDE_CHAIN REMARK 500 4 ARG A 232 0.24 SIDE_CHAIN REMARK 500 4 ARG A 236 0.22 SIDE_CHAIN REMARK 500 5 ARG A 216 0.28 SIDE_CHAIN REMARK 500 5 ARG A 232 0.26 SIDE_CHAIN REMARK 500 5 ARG A 236 0.23 SIDE_CHAIN REMARK 500 6 ARG A 216 0.31 SIDE_CHAIN REMARK 500 6 ARG A 232 0.13 SIDE_CHAIN REMARK 500 6 ARG A 236 0.23 SIDE_CHAIN REMARK 500 7 ARG A 216 0.29 SIDE_CHAIN REMARK 500 7 ARG A 236 0.24 SIDE_CHAIN REMARK 500 8 ARG A 216 0.26 SIDE_CHAIN REMARK 500 8 ARG A 232 0.28 SIDE_CHAIN REMARK 500 8 ARG A 236 0.32 SIDE_CHAIN REMARK 500 9 ARG A 216 0.22 SIDE_CHAIN REMARK 500 9 ARG A 232 0.32 SIDE_CHAIN REMARK 500 9 ARG A 236 0.17 SIDE_CHAIN REMARK 500 10 ARG A 216 0.31 SIDE_CHAIN REMARK 500 10 ARG A 232 0.21 SIDE_CHAIN REMARK 500 10 ARG A 236 0.20 SIDE_CHAIN REMARK 500 11 ARG A 216 0.11 SIDE_CHAIN REMARK 500 11 ARG A 232 0.26 SIDE_CHAIN REMARK 500 11 ARG A 236 0.20 SIDE_CHAIN REMARK 500 12 ARG A 216 0.28 SIDE_CHAIN REMARK 500 12 ARG A 232 0.11 SIDE_CHAIN REMARK 500 12 ARG A 236 0.18 SIDE_CHAIN REMARK 500 13 ARG A 216 0.29 SIDE_CHAIN REMARK 500 13 ARG A 232 0.14 SIDE_CHAIN REMARK 500 13 ARG A 236 0.30 SIDE_CHAIN REMARK 500 14 ARG A 216 0.25 SIDE_CHAIN REMARK 500 14 ARG A 232 0.31 SIDE_CHAIN REMARK 500 14 ARG A 236 0.23 SIDE_CHAIN REMARK 500 15 ARG A 216 0.29 SIDE_CHAIN REMARK 500 15 ARG A 232 0.14 SIDE_CHAIN REMARK 500 15 ARG A 236 0.27 SIDE_CHAIN REMARK 500 16 ARG A 232 0.31 SIDE_CHAIN REMARK 500 16 ARG A 236 0.17 SIDE_CHAIN REMARK 500 17 ARG A 216 0.14 SIDE_CHAIN REMARK 500 17 ARG A 232 0.29 SIDE_CHAIN REMARK 500 17 ARG A 236 0.21 SIDE_CHAIN REMARK 500 18 ARG A 216 0.22 SIDE_CHAIN REMARK 500 18 ARG A 232 0.22 SIDE_CHAIN REMARK 500 18 ARG A 236 0.20 SIDE_CHAIN REMARK 500 19 ARG A 216 0.28 SIDE_CHAIN REMARK 500 19 ARG A 232 0.31 SIDE_CHAIN REMARK 500 19 ARG A 236 0.28 SIDE_CHAIN REMARK 500 20 ARG A 216 0.19 SIDE_CHAIN REMARK 500 20 ARG A 232 0.22 SIDE_CHAIN REMARK 500 20 ARG A 236 0.23 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL

REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 1 CA A 1 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 239 OD2 REMARK 620 2 ARG A 232 O 93.5 REMARK 620 3 ASP A 245 OD2 97.7 92.1 REMARK 620 4 GLU A 246 OE2 121.5 131.5 54.0 REMARK 620 5 ASP A 235 OD2 99.1 79.6 161.7 121.0 REMARK 620 6 GLU A 246 OE1 169.3 96.5 85.7 52.9 79.2 REMARK 620 7 GLU A 237 O 87.6 173.6 94.0 52.0 94.0 82.0 REMARK 620 N 1 2 3 4 5 6

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AJJ RELATED DB: PDB REMARK 900 MODULE PRECEEDING THIS ENTRY IN THE LDL RECEPTOR

DBREF 1D2J A 212 251 UNP P01130 LDLR_HUMAN 233 272

SEQADV 1D2J LEU A 243 UNP P01130 MET 264 ENGINEERED

SEQRES 1 A 40 VAL ALA THR CYS ARG PRO ASP GLU PHE GLN CYS SER ASP SEQRES 2 A 40 GLY ASN CYS ILE HIS GLY SER ARG GLN CYS ASP ARG GLU SEQRES 3 A 40 TYR ASP CYS LYS ASP LEU SER ASP GLU VAL GLY CYS VAL SEQRES 4 A 40 ASN

HET CA A 1 1

HETNAM CA CALCIUM ION

FORMUL 2 CA CA 2+

HELIX 1 1 HIS A 229 GLN A 233 5 5

SHEET 1 A 2 PHE A 220 CYS A 222 0 SHEET 2 A 2 ASN A 226 ILE A 228 -1 O ASN A 226 N CYS A 222

SSBOND 1 CYS A 215 CYS A 227 1555 1555 2.02 SSBOND 2 CYS A 222 CYS A 240 1555 1555 2.02 SSBOND 3 CYS A 234 CYS A 249 1555 1555 2.03

LINK CA CA A 1 OD2 ASP A 239 1555 1555 2.40 LINK CA CA A 1 O ARG A 232 1555 1555 2.55 LINK CA CA A 1 OD2 ASP A 245 1555 1555 2.60 LINK CA CA A 1 OE2 GLU A 246 1555 1555 2.40 LINK CA CA A 1 OD2 ASP A 235 1555 1555 2.53 LINK CA CA A 1 OE1 GLU A 246 1555 1555 2.43 LINK CA CA A 1 O GLU A 237 1555 1555 2.63

SITE 1 AC1 6 ARG A 232 ASP A 235 GLU A 237 ASP A 239 SITE 2 AC1 6 ASP A 245 GLU A 246

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