0.021209 0.012245 0.000000 0.000000 0.024490 0.000000 0.000000 0.000000 0.004883 0.00000 0.00000 0.00000 Hatanaka, H. Iourin, O. Rao, Z. Fry, E. Kingsman, A. Stuart, D.I. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 12 90.00 90.00 120.00 47.150 47.150 204.770 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE 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 C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C5 H11 N O2 Se 196.106 n SELENOMETHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US J.Virol. JOVIAM 0825 0022-538X 76 1876 10.1128/JVI.76.4.1876-1883.2002 11799182 Structure of Equine Infectious Anemia Virus Matrix Protein. 2002 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100.0 1 IMAGE PLATE 1998-04-15 MARRESEARCH MAD M x-ray 1 0.9116 1.0 0.9781 1.0 0.9778 1.0 BM14 ESRF 0.9116, 0.9781, 0.9778 SYNCHROTRON ESRF BEAMLINE BM14 THE PROTEIN HAS AN N-TERMINAL EXTENTION OF SEVEN RESIDUES DUE TO THE EXPRESSION CONSTRUCT. 15022.591 GAG POLYPROTEIN, CORE PROTEIN P15 MA PROTEIN 2 man polymer EIAV MA, MATRIX PROTEIN, P15 no yes A(MSE)ADIGS(MSE)GDPLTWSKALKKLEKVTVQGSQKLTTGNCNWALSLVDLFHDTNFVKEKDWQLRDVIPLLEDVTQ TLSGQEREAFERTWWAISAVK(MSE)GLQINNVVDGKASFQLLRAKYEKKTANKKQSEPSEEY AMADIGSMGDPLTWSKALKKLEKVTVQGSQKLTTGNCNWALSLVDLFHDTNFVKEKDWQLRDVIPLLEDVTQTLSGQERE AFERTWWAISAVKMGLQINNVVDGKASFQLLRAKYEKKTANKKQSEPSEEY A,B polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n EIAV ISOLATE WYOMING sample GAG 11665 EQUINE INFECTIOUS ANEMIA VIRUS CLONE P3.2-1 469008 ESCHERICHIA COLI BL21(DE3) PLASMID PET-32A 1 2.55 51.43 FIGURES ARE SHOWN FOR THE WAVELENGTH 0.91116. 6.50 30% PEG5000, 0.2M AMMONIUM SULFATE, 0.1M MES (PH6.5), 291K, pH 6.50 291 exptl_crystal_grow pdbx_database_proc pdbx_database_status struct_conn repository Initial release Version format compliance Version format compliance Data collection Derived calculations Experimental preparation Other 1 0 2001-11-23 1 1 2011-05-08 1 2 2011-07-13 1 3 2019-05-22 _exptl_crystal_grow.temp _pdbx_database_status.recvd_author_approval _struct_conn.pdbx_leaving_atom_flag X-RAY CRYSTAL STRUCTURE OF EQUINE INFECTIOUS ANEMIA VIRUS(EIAV) CAPSID PROTEIN P26 X-RAY CRYSTAL STRUCTURE OF EQUINE INFECTIOUS ANEMIA VIRUS(EIAV) CAPSID PROTEIN P26 HELIX DETERMINATION METHOD: AUTHOR PROVIDED. PDBE Y PDBE 2000-11-24 REL RESIDUES -6 TO 0 ARE A CLONING ARTIFACT ALA -6 n 1 ALA -6 A MSE -5 n 2 MSE -5 A ALA -4 n 3 ALA -4 A ASP -3 n 4 ASP -3 A ILE -2 n 5 ILE -2 A GLY -1 n 6 GLY -1 A SER 0 n 7 SER 0 A MSE 1 n 8 MSE 1 A GLY 2 n 9 GLY 2 A ASP 3 n 10 ASP 3 A PRO 4 n 11 PRO 4 A LEU 5 n 12 LEU 5 A THR 6 n 13 THR 6 A TRP 7 n 14 TRP 7 A SER 8 n 15 SER 8 A LYS 9 n 16 LYS 9 A ALA 10 n 17 ALA 10 A LEU 11 n 18 LEU 11 A LYS 12 n 19 LYS 12 A LYS 13 n 20 LYS 13 A LEU 14 n 21 LEU 14 A GLU 15 n 22 GLU 15 A LYS 16 n 23 LYS 16 A VAL 17 n 24 VAL 17 A THR 18 n 25 THR 18 A VAL 19 n 26 VAL 19 A GLN 20 n 27 GLN 20 A GLY 21 n 28 GLY 21 A SER 22 n 29 SER 22 A GLN 23 n 30 GLN 23 A LYS 24 n 31 LYS 24 A LEU 25 n 32 LEU 25 A THR 26 n 33 THR 26 A THR 27 n 34 THR 27 A GLY 28 n 35 GLY 28 A ASN 29 n 36 ASN 29 A CYS 30 n 37 CYS 30 A ASN 31 n 38 ASN 31 A TRP 32 n 39 TRP 32 A ALA 33 n 40 ALA 33 A LEU 34 n 41 LEU 34 A SER 35 n 42 SER 35 A LEU 36 n 43 LEU 36 A VAL 37 n 44 VAL 37 A ASP 38 n 45 ASP 38 A LEU 39 n 46 LEU 39 A PHE 40 n 47 PHE 40 A HIS 41 n 48 HIS 41 A ASP 42 n 49 ASP 42 A THR 43 n 50 THR 43 A ASN 44 n 51 ASN 44 A PHE 45 n 52 PHE 45 A VAL 46 n 53 VAL 46 A LYS 47 n 54 LYS 47 A GLU 48 n 55 GLU 48 A LYS 49 n 56 LYS 49 A ASP 50 n 57 ASP 50 A TRP 51 n 58 TRP 51 A GLN 52 n 59 GLN 52 A LEU 53 n 60 LEU 53 A ARG 54 n 61 ARG 54 A ASP 55 n 62 ASP 55 A VAL 56 n 63 VAL 56 A ILE 57 n 64 ILE 57 A PRO 58 n 65 PRO 58 A LEU 59 n 66 LEU 59 A LEU 60 n 67 LEU 60 A GLU 61 n 68 GLU 61 A ASP 62 n 69 ASP 62 A VAL 63 n 70 VAL 63 A THR 64 n 71 THR 64 A GLN 65 n 72 GLN 65 A THR 66 n 73 THR 66 A LEU 67 n 74 LEU 67 A SER 68 n 75 SER 68 A GLY 69 n 76 GLY 69 A GLN 70 n 77 GLN 70 A GLU 71 n 78 GLU 71 A ARG 72 n 79 ARG 72 A GLU 73 n 80 GLU 73 A ALA 74 n 81 ALA 74 A PHE 75 n 82 PHE 75 A GLU 76 n 83 GLU 76 A ARG 77 n 84 ARG 77 A THR 78 n 85 THR 78 A TRP 79 n 86 TRP 79 A TRP 80 n 87 TRP 80 A ALA 81 n 88 ALA 81 A ILE 82 n 89 ILE 82 A SER 83 n 90 SER 83 A ALA 84 n 91 ALA 84 A VAL 85 n 92 VAL 85 A LYS 86 n 93 LYS 86 A MSE 87 n 94 MSE 87 A GLY 88 n 95 GLY 88 A LEU 89 n 96 LEU 89 A GLN 90 n 97 GLN 90 A ILE 91 n 98 ILE 91 A ASN 92 n 99 ASN 92 A ASN 93 n 100 ASN 93 A VAL 94 n 101 VAL 94 A VAL 95 n 102 VAL 95 A ASP 96 n 103 ASP 96 A GLY 97 n 104 GLY 97 A LYS 98 n 105 LYS 98 A ALA 99 n 106 ALA 99 A SER 100 n 107 SER 100 A PHE 101 n 108 PHE 101 A GLN 102 n 109 GLN 102 A LEU 103 n 110 LEU 103 A LEU 104 n 111 LEU 104 A ARG 105 n 112 ARG 105 A ALA 106 n 113 ALA 106 A LYS 107 n 114 LYS 107 A TYR 108 n 115 TYR 108 A GLU 109 n 116 GLU 109 A n 117 110 A n 118 111 A n 119 112 A n 120 113 A n 121 114 A n 122 115 A n 123 116 A n 124 117 A n 125 118 A n 126 119 A n 127 120 A n 128 121 A n 129 122 A n 130 123 A n 131 124 A ALA -6 n 1 ALA -6 B MSE -5 n 2 MSE -5 B ALA -4 n 3 ALA -4 B ASP -3 n 4 ASP -3 B ILE -2 n 5 ILE -2 B GLY -1 n 6 GLY -1 B SER 0 n 7 SER 0 B MSE 1 n 8 MSE 1 B GLY 2 n 9 GLY 2 B ASP 3 n 10 ASP 3 B PRO 4 n 11 PRO 4 B LEU 5 n 12 LEU 5 B THR 6 n 13 THR 6 B TRP 7 n 14 TRP 7 B SER 8 n 15 SER 8 B LYS 9 n 16 LYS 9 B ALA 10 n 17 ALA 10 B LEU 11 n 18 LEU 11 B LYS 12 n 19 LYS 12 B LYS 13 n 20 LYS 13 B LEU 14 n 21 LEU 14 B GLU 15 n 22 GLU 15 B LYS 16 n 23 LYS 16 B VAL 17 n 24 VAL 17 B THR 18 n 25 THR 18 B VAL 19 n 26 VAL 19 B GLN 20 n 27 GLN 20 B GLY 21 n 28 GLY 21 B SER 22 n 29 SER 22 B GLN 23 n 30 GLN 23 B LYS 24 n 31 LYS 24 B LEU 25 n 32 LEU 25 B THR 26 n 33 THR 26 B THR 27 n 34 THR 27 B GLY 28 n 35 GLY 28 B ASN 29 n 36 ASN 29 B CYS 30 n 37 CYS 30 B ASN 31 n 38 ASN 31 B TRP 32 n 39 TRP 32 B ALA 33 n 40 ALA 33 B LEU 34 n 41 LEU 34 B SER 35 n 42 SER 35 B LEU 36 n 43 LEU 36 B VAL 37 n 44 VAL 37 B ASP 38 n 45 ASP 38 B LEU 39 n 46 LEU 39 B PHE 40 n 47 PHE 40 B HIS 41 n 48 HIS 41 B ASP 42 n 49 ASP 42 B THR 43 n 50 THR 43 B ASN 44 n 51 ASN 44 B PHE 45 n 52 PHE 45 B VAL 46 n 53 VAL 46 B LYS 47 n 54 LYS 47 B GLU 48 n 55 GLU 48 B LYS 49 n 56 LYS 49 B ASP 50 n 57 ASP 50 B TRP 51 n 58 TRP 51 B GLN 52 n 59 GLN 52 B LEU 53 n 60 LEU 53 B ARG 54 n 61 ARG 54 B ASP 55 n 62 ASP 55 B VAL 56 n 63 VAL 56 B ILE 57 n 64 ILE 57 B PRO 58 n 65 PRO 58 B LEU 59 n 66 LEU 59 B LEU 60 n 67 LEU 60 B GLU 61 n 68 GLU 61 B ASP 62 n 69 ASP 62 B VAL 63 n 70 VAL 63 B THR 64 n 71 THR 64 B GLN 65 n 72 GLN 65 B THR 66 n 73 THR 66 B LEU 67 n 74 LEU 67 B SER 68 n 75 SER 68 B GLY 69 n 76 GLY 69 B GLN 70 n 77 GLN 70 B GLU 71 n 78 GLU 71 B ARG 72 n 79 ARG 72 B GLU 73 n 80 GLU 73 B ALA 74 n 81 ALA 74 B PHE 75 n 82 PHE 75 B GLU 76 n 83 GLU 76 B ARG 77 n 84 ARG 77 B THR 78 n 85 THR 78 B TRP 79 n 86 TRP 79 B TRP 80 n 87 TRP 80 B ALA 81 n 88 ALA 81 B ILE 82 n 89 ILE 82 B SER 83 n 90 SER 83 B ALA 84 n 91 ALA 84 B VAL 85 n 92 VAL 85 B LYS 86 n 93 LYS 86 B MSE 87 n 94 MSE 87 B GLY 88 n 95 GLY 88 B LEU 89 n 96 LEU 89 B GLN 90 n 97 GLN 90 B ILE 91 n 98 ILE 91 B ASN 92 n 99 ASN 92 B ASN 93 n 100 ASN 93 B VAL 94 n 101 VAL 94 B VAL 95 n 102 VAL 95 B ASP 96 n 103 ASP 96 B GLY 97 n 104 GLY 97 B LYS 98 n 105 LYS 98 B ALA 99 n 106 ALA 99 B SER 100 n 107 SER 100 B PHE 101 n 108 PHE 101 B GLN 102 n 109 GLN 102 B LEU 103 n 110 LEU 103 B LEU 104 n 111 LEU 104 B ARG 105 n 112 ARG 105 B ALA 106 n 113 ALA 106 B LYS 107 n 114 LYS 107 B TYR 108 n 115 TYR 108 B GLU 109 n 116 GLU 109 B n 117 110 B n 118 111 B n 119 112 B n 120 113 B n 121 114 B n 122 115 B n 123 116 B n 124 117 B n 125 118 B n 126 119 B n 127 120 B n 128 121 B n 129 122 B n 130 123 B n 131 124 B software_defined_assembly PQS 1 monomeric software_defined_assembly PQS 1 monomeric A MSE -5 SELENOMETHIONINE A MSE 2 MET A MSE 1 SELENOMETHIONINE A MSE 8 MET A MSE 87 SELENOMETHIONINE A MSE 94 MET B MSE -5 SELENOMETHIONINE B MSE 2 MET B MSE 1 SELENOMETHIONINE B MSE 8 MET B MSE 87 SELENOMETHIONINE B MSE 94 MET 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 LYS 110 A LYS 117 1 Y 1 A LYS 111 A LYS 118 1 Y 1 A THR 112 A THR 119 1 Y 1 A ALA 113 A ALA 120 1 Y 1 A ASN 114 A ASN 121 1 Y 1 A LYS 115 A LYS 122 1 Y 1 A LYS 116 A LYS 123 1 Y 1 A GLN 117 A GLN 124 1 Y 1 A SER 118 A SER 125 1 Y 1 A GLU 119 A GLU 126 1 Y 1 A PRO 120 A PRO 127 1 Y 1 A SER 121 A SER 128 1 Y 1 A GLU 122 A GLU 129 1 Y 1 A GLU 123 A GLU 130 1 Y 1 A TYR 124 A TYR 131 1 Y 1 B LYS 110 B LYS 117 1 Y 1 B LYS 111 B LYS 118 1 Y 1 B THR 112 B THR 119 1 Y 1 B ALA 113 B ALA 120 1 Y 1 B ASN 114 B ASN 121 1 Y 1 B LYS 115 B LYS 122 1 Y 1 B LYS 116 B LYS 123 1 Y 1 B GLN 117 B GLN 124 1 Y 1 B SER 118 B SER 125 1 Y 1 B GLU 119 B GLU 126 1 Y 1 B PRO 120 B PRO 127 1 Y 1 B SER 121 B SER 128 1 Y 1 B GLU 122 B GLU 129 1 Y 1 B GLU 123 B GLU 130 1 Y 1 B TYR 124 B TYR 131 1 Y 1 B B OD1 OG1 ASP THR 38 43 2.09 1 A A O N TRP ALA 79 81 2.13 1 A A O OG GLY SER 97 100 2.18 1 A MSE -5 -121.28 -168.05 1 A ASP -3 -78.43 35.32 1 A ILE -2 18.48 -73.63 1 A SER 0 -141.50 -8.31 1 A MSE 1 30.06 11.80 1 A PRO 4 -44.41 -72.35 1 A LEU 11 -49.61 -71.69 1 A LYS 12 -32.77 -73.95 1 A THR 18 -54.58 -173.36 1 A GLN 20 -31.56 -116.53 1 A SER 22 -174.48 44.71 1 A LYS 24 -61.54 -171.05 1 A CYS 30 -66.92 -71.81 1 A ASN 31 -39.51 -27.01 1 A THR 43 -84.61 -159.59 1 A ASN 44 -155.06 34.78 1 A TRP 51 173.96 155.23 1 A LEU 60 -36.70 -70.12 1 A GLU 61 -24.06 -49.97 1 A GLN 70 -34.37 -30.01 1 A GLU 71 -37.24 -37.27 1 A ARG 72 -62.49 -74.30 1 A TRP 80 -20.51 -49.53 1 A ALA 81 -68.08 -84.70 1 A MSE 87 -84.36 38.31 1 A ASN 93 172.94 155.93 1 A VAL 94 -60.67 -97.33 1 A VAL 95 -13.54 -56.83 1 A ASP 96 -62.09 98.39 1 A ALA 99 -52.46 -78.35 1 A SER 100 -24.90 -44.94 1 A PHE 101 -58.30 -73.86 1 A GLN 102 -26.80 -53.65 1 A ARG 105 -75.95 -70.67 1 B MSE -5 -87.65 -130.64 1 B ASP -3 161.15 122.89 1 B PRO 4 -49.37 -83.67 1 B GLU 15 -46.31 -85.90 1 B LYS 16 -20.66 -20.81 1 B VAL 19 -113.15 -79.94 1 B GLN 20 -84.25 -83.83 1 B LEU 34 -68.16 5.17 1 B LEU 39 -65.04 -72.07 1 B PHE 40 -48.54 -78.63 1 B ASP 42 52.90 101.72 1 B THR 43 -156.17 -150.61 1 B ASN 44 -143.16 -33.26 1 B PHE 45 9.20 -79.60 1 B LEU 60 -22.85 -36.41 1 B LEU 67 -53.51 170.60 1 B GLU 71 -60.27 -70.73 1 B GLU 73 -24.29 -79.36 1 B TRP 80 -38.88 -32.88 1 B ALA 84 -55.45 -76.78 1 B MSE 87 -74.03 26.49 1 B VAL 94 -18.29 -51.99 1 B ASP 96 -26.66 -50.06 1 B ALA 99 -41.16 -81.35 1 B SER 100 -24.98 -42.55 1 B PHE 101 -71.58 -84.42 1 B GLN 102 -27.98 -40.03 1 B LEU 103 -60.00 -81.79 1 B LEU 104 -35.16 -29.83 1 B TYR 108 -100.12 67.75 PROTEIN_REP.PARAM PROTEIN.TOP 79.4 22.08 24.47 0.00 22.08 0.00 -44.15 THE C-TERMINAL RESIDUES 110 TO 124 WERE NOT SEEN IN THE DENSITY MAPS 0.373 0.014 0.279 0.279 2.80 23.78 671 6153 10.9 97.2 RANDOM 0.000000 1 RESTRAINED THROUGHOUT 0.0 MAD FLAT MODEL 50 0.26 0.70 0.56 5.00 1.14 0.88 2.80 23.78 0 1844 0 0 1844 0.015 1.7 21.5 0.93 2.06 3.00 3.64 4.00 2.81 4.00 4.50 5.00 0.587 0.055 0.458 2.98 115 783 6 12.8 85.1 27.6 2.800 24.000 1HEK 6347 0.07400 1 11.4000 3.000 99.0 0.60000 2.80 2.90 1 2.80 99.0 refinement CNS 1.0 data reduction DENZO data scaling SCALEPACK phasing SHARP GAG POLYPROTEIN, CORE PROTEIN P15 Crystal structure of equine infectious anaemia virus matrix antigen (EIAV MA) 1 N N 1 N N A THR 6 A THR 13 HELX_P A VAL 17 A VAL 24 1 1 12 A THR 26 A THR 33 HELX_P A HIS 41 A HIS 48 1 2 16 A GLN 52 A GLN 59 HELX_P A GLN 65 A GLN 72 1 3 14 A GLN 70 A GLN 77 HELX_P A MSE 87 A MSE 94 1 4 18 A GLY 97 A GLY 104 HELX_P A GLU 109 A GLU 116 1 5 13 B THR 6 B THR 13 HELX_P B GLU 15 B GLU 22 1 6 10 B THR 26 B THR 33 HELX_P B HIS 41 B HIS 48 1 7 16 B ASN 44 B ASN 51 HELX_P B GLU 48 B GLU 55 5 8 5 B GLN 52 B GLN 59 HELX_P B GLN 65 B GLN 72 1 9 14 B GLY 69 B GLY 76 HELX_P B MSE 87 B MSE 94 1 10 19 B VAL 94 B VAL 101 HELX_P B ASP 96 B ASP 103 5 11 3 B GLY 97 B GLY 104 HELX_P B LYS 107 B LYS 114 1 12 11 covale 1.329 both A ALA -6 A C ALA 1 1_555 A MSE -5 A N MSE 2 1_555 covale 1.334 both A MSE -5 A C MSE 2 1_555 A ALA -4 A N ALA 3 1_555 covale 1.339 both A SER 0 A C SER 7 1_555 A MSE 1 A N MSE 8 1_555 covale 1.329 both A MSE 1 A C MSE 8 1_555 A GLY 2 A N GLY 9 1_555 covale 1.331 both A LYS 86 A C LYS 93 1_555 A MSE 87 A N MSE 94 1_555 covale 1.329 both A MSE 87 A C MSE 94 1_555 A GLY 88 A N GLY 95 1_555 covale 1.330 both B MSE -5 B C MSE 2 1_555 B ALA -4 B N ALA 3 1_555 covale 1.330 both B ALA -6 B C ALA 1 1_555 B MSE -5 B N MSE 2 1_555 covale 1.334 both B SER 0 B C SER 7 1_555 B MSE 1 B N MSE 8 1_555 covale 1.333 both B MSE 1 B C MSE 8 1_555 B GLY 2 B N GLY 9 1_555 covale 1.332 both B LYS 86 B C LYS 93 1_555 B MSE 87 B N MSE 94 1_555 covale 1.335 both B MSE 87 B C MSE 94 1_555 B GLY 88 B N GLY 95 1_555 VIRAL PROTEIN VIRAL PROTEIN, MEMBRANE-BINDING SWITCHING given 0.898050 -0.436290 0.056170 0.439150 0.896610 -0.056820 -0.025580 0.075700 0.996800 11.22631 21.75827 -18.20185 1HEK PDB 1 1HEK GAG_EIAVY UNP 1 P03351 -6 0 1HEK -6 0 1HEK A 1 1 7 1 124 1HEK 1 124 P03351 A 2 8 131 -6 0 1HEK -6 0 1HEK B 1 1 7 1 124 1HEK 1 124 P03351 B 2 8 131 1 MET modified residue MSE -5 1HEK A 1HEK PDB -5 2 1 MET modified residue MSE 1 1HEK A P03351 UNP 1 8 1 MET modified residue MSE 87 1HEK A P03351 UNP 87 94 3 MET modified residue MSE -5 1HEK B 1HEK PDB -5 2 3 MET modified residue MSE 1 1HEK B P03351 UNP 1 8 3 MET modified residue MSE 87 1HEK B P03351 UNP 87 94 170 P 65