0.012610 0.000000 0.000000 0.000000 0.012610 0.000000 0.000000 0.000000 0.026596 0.00000 0.00000 0.00000 TWO ALTERNATIVE CONFORMATIONS MODELLED FOR RESIDUE VAL 109. Johnson, L.N. Hadfield, A.T. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 79.300 79.300 37.600 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 H2 O 18.015 WATER non-polymer 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 C8 H15 N O6 221.208 2-acetamido-2-deoxy-beta-D-glucopyranose D-saccharide, beta linking C8 H15 N O6 221.208 2-acetamido-2-deoxy-alpha-D-glucopyranose D-saccharide, alpha 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 UK J.Mol.Biol. JMOBAK 0070 0022-2836 243 856 872 10.1006/jmbi.1994.1688 7966306 Crystal structure of the mutant D52S hen egg white lysozyme with an oligosaccharide product. 1994 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 16229.650 HEN EGG WHITE LYSOZYME 3.2.1.17 1 man polymer 830.786 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose 1 man branched 18.015 water 126 nat water no no MRSLLILVLCFLPLAALGKVFGRCELAAAMKRHGLDNYRGYSLGNWVCAAKFESNFNTQATNRNTDGSTSYGILQINSRW WCNDGRTPGSRNLCNIPCSALLSSDITASVNCAKKIVSDGNGMNAWVAWRNRCKGTDVQAWIRGCRL MRSLLILVLCFLPLAALGKVFGRCELAAAMKRHGLDNYRGYSLGNWVCAAKFESNFNTQATNRNTDGSTSYGILQINSRW WCNDGRTPGSRNLCNIPCSALLSSDITASVNCAKKIVSDGNGMNAWVAWRNRCKGTDVQAWIRGCRL A 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 n n n n n n n n n n n n n n n n chicken Gallus sample 9031 EGG Gallus gallus 1.82 32.45 atom_site chem_comp entity pdbx_branch_scheme pdbx_chem_comp_identifier pdbx_database_status pdbx_entity_branch pdbx_entity_branch_descriptor pdbx_entity_branch_link pdbx_entity_branch_list pdbx_entity_nonpoly pdbx_nonpoly_scheme pdbx_struct_assembly_gen struct_asym struct_conn struct_ref_seq_dif struct_site struct_site_gen repository Initial release Carbohydrate remediation repository Remediation Version format compliance Non-polymer description Version format compliance Atomic model Data collection Database references Derived calculations Other Structure summary 1 0 1995-01-26 1 1 2008-03-24 1 2 2011-07-13 2 0 2020-07-29 _atom_site.auth_asym_id _atom_site.auth_atom_id _atom_site.auth_seq_id _atom_site.label_asym_id _atom_site.label_atom_id _atom_site.label_entity_id _chem_comp.name _chem_comp.type _pdbx_database_status.process_site _pdbx_struct_assembly_gen.asym_id_list _struct_conn.pdbx_leaving_atom_flag _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_ref_seq_dif.details NAG 501 n B NDG 1 NAG 502 n B NAG 2 NAG 503 n B NAG 3 NAG 504 n B NAG 4 DGlcpNAcb N-acetyl-b-D-glucopyranosamine b-D-GlcpNAc GlcNAc DGlcpNAca N-acetyl-a-D-glucopyranosamine a-D-GlcpNAc GlcNAc Y BNL 1994-09-27 REL oligosaccharide DGlcpNAcb1-4DGlcpNAcb1-4DGlcpNAcb1-4DGlcpNAca1-ROH 2 GMML 1.0 Glycam Condensed Sequence WURCS=2.0/2,4,3/[a2122h-1a_1-5_2*NCC/3=O][a2122h-1b_1-5_2*NCC/3=O]/1-2-2-2/a4-b1_b4-c1_c4-d1 2 PDB2Glycan 1.1.0 WURCS [][a-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}} 2 PDB-CARE LINUCS C1 O4 NAG NDG 2 1 2 O1 HO4 sing C1 O4 NAG NAG 3 2 2 O1 HO4 sing C1 O4 NAG NAG 4 3 2 O1 HO4 sing n n n n HOH water HOH 131 3 HOH HOH 131 A HOH 132 3 HOH HOH 132 A HOH 133 3 HOH HOH 133 A HOH 135 3 HOH HOH 135 A HOH 136 3 HOH HOH 136 A HOH 137 3 HOH HOH 137 A HOH 138 3 HOH HOH 138 A HOH 139 3 HOH HOH 139 A HOH 140 3 HOH HOH 140 A HOH 141 3 HOH HOH 141 A HOH 142 3 HOH HOH 142 A HOH 143 3 HOH HOH 143 A HOH 144 3 HOH HOH 144 A HOH 145 3 HOH HOH 145 A HOH 146 3 HOH HOH 146 A HOH 147 3 HOH HOH 147 A HOH 150 3 HOH HOH 150 A HOH 151 3 HOH HOH 151 A HOH 152 3 HOH HOH 152 A HOH 153 3 HOH HOH 153 A HOH 154 3 HOH HOH 154 A HOH 155 3 HOH HOH 155 A HOH 156 3 HOH HOH 156 A HOH 157 3 HOH HOH 157 A HOH 158 3 HOH HOH 158 A HOH 159 3 HOH HOH 159 A HOH 161 3 HOH HOH 161 A HOH 162 3 HOH HOH 162 A HOH 163 3 HOH HOH 163 A HOH 166 3 HOH HOH 166 A HOH 167 3 HOH HOH 167 A HOH 170 3 HOH HOH 170 A HOH 171 3 HOH HOH 171 A HOH 172 3 HOH HOH 172 A HOH 175 3 HOH HOH 175 A HOH 178 3 HOH HOH 178 A HOH 180 3 HOH HOH 180 A HOH 181 3 HOH HOH 181 A HOH 187 3 HOH HOH 187 A HOH 190 3 HOH HOH 190 A HOH 192 3 HOH HOH 192 A HOH 195 3 HOH HOH 195 A HOH 208 3 HOH HOH 208 A HOH 221 3 HOH HOH 221 A HOH 234 3 HOH HOH 234 A HOH 267 3 HOH HOH 267 A HOH 300 3 HOH HOH 300 A HOH 301 3 HOH HOH 301 A HOH 302 3 HOH HOH 302 A HOH 303 3 HOH HOH 303 A HOH 305 3 HOH HOH 305 A HOH 307 3 HOH HOH 307 A HOH 309 3 HOH HOH 309 A HOH 310 3 HOH HOH 310 A HOH 311 3 HOH HOH 311 A HOH 312 3 HOH HOH 312 A HOH 313 3 HOH HOH 313 A HOH 314 3 HOH HOH 314 A HOH 315 3 HOH HOH 315 A HOH 319 3 HOH HOH 319 A HOH 323 3 HOH HOH 323 A HOH 324 3 HOH HOH 324 A HOH 325 3 HOH HOH 325 A HOH 326 3 HOH HOH 326 A HOH 327 3 HOH HOH 327 A HOH 328 3 HOH HOH 328 A HOH 329 3 HOH HOH 329 A HOH 331 3 HOH HOH 331 A HOH 334 3 HOH HOH 334 A HOH 335 3 HOH HOH 335 A HOH 336 3 HOH HOH 336 A HOH 337 3 HOH HOH 337 A HOH 342 3 HOH HOH 342 A HOH 344 3 HOH HOH 344 A HOH 348 3 HOH HOH 348 A HOH 349 3 HOH HOH 349 A HOH 350 3 HOH HOH 350 A HOH 400 3 HOH HOH 400 A HOH 401 3 HOH HOH 401 A HOH 402 3 HOH HOH 402 A HOH 403 3 HOH HOH 403 A HOH 404 3 HOH HOH 404 A HOH 405 3 HOH HOH 405 A HOH 407 3 HOH HOH 407 A HOH 408 3 HOH HOH 408 A HOH 409 3 HOH HOH 409 A HOH 410 3 HOH HOH 410 A HOH 411 3 HOH HOH 411 A HOH 413 3 HOH HOH 413 A HOH 414 3 HOH HOH 414 A HOH 415 3 HOH HOH 415 A HOH 418 3 HOH HOH 418 A HOH 419 3 HOH HOH 419 A HOH 423 3 HOH HOH 423 A HOH 424 3 HOH HOH 424 A HOH 425 3 HOH HOH 425 A HOH 426 3 HOH HOH 426 A HOH 427 3 HOH HOH 427 A HOH 429 3 HOH HOH 429 A HOH 430 3 HOH HOH 430 A HOH 431 3 HOH HOH 431 A HOH 434 3 HOH HOH 434 A HOH 435 3 HOH HOH 435 A HOH 436 3 HOH HOH 436 A HOH 437 3 HOH HOH 437 A HOH 438 3 HOH HOH 438 A HOH 439 3 HOH HOH 439 A HOH 440 3 HOH HOH 440 A HOH 441 3 HOH HOH 441 A HOH 442 3 HOH HOH 442 A HOH 444 3 HOH HOH 444 A HOH 445 3 HOH HOH 445 A HOH 446 3 HOH HOH 446 A HOH 447 3 HOH HOH 447 A HOH 448 3 HOH HOH 448 A HOH 449 3 HOH HOH 449 A HOH 450 3 HOH HOH 450 A HOH 451 3 HOH HOH 451 A HOH 452 3 HOH HOH 452 A HOH 453 3 HOH HOH 453 A HOH 454 3 HOH HOH 454 A HOH 455 3 HOH HOH 455 A HOH 456 3 HOH HOH 456 A HOH 457 3 HOH HOH 457 A HOH 458 3 HOH HOH 458 A HOH 459 3 HOH HOH 459 A n 1 -17 A n 2 -16 A n 3 -15 A n 4 -14 A n 5 -13 A n 6 -12 A n 7 -11 A n 8 -10 A n 9 -9 A n 10 -8 A n 11 -7 A n 12 -6 A n 13 -5 A n 14 -4 A n 15 -3 A n 16 -2 A n 17 -1 A n 18 0 A LYS 1 n 19 LYS 1 A VAL 2 n 20 VAL 2 A PHE 3 n 21 PHE 3 A GLY 4 n 22 GLY 4 A ARG 5 n 23 ARG 5 A CYS 6 n 24 CYS 6 A GLU 7 n 25 GLU 7 A LEU 8 n 26 LEU 8 A ALA 9 n 27 ALA 9 A ALA 10 n 28 ALA 10 A ALA 11 n 29 ALA 11 A MET 12 n 30 MET 12 A LYS 13 n 31 LYS 13 A ARG 14 n 32 ARG 14 A HIS 15 n 33 HIS 15 A GLY 16 n 34 GLY 16 A LEU 17 n 35 LEU 17 A ASP 18 n 36 ASP 18 A ASN 19 n 37 ASN 19 A TYR 20 n 38 TYR 20 A ARG 21 n 39 ARG 21 A GLY 22 n 40 GLY 22 A TYR 23 n 41 TYR 23 A SER 24 n 42 SER 24 A LEU 25 n 43 LEU 25 A GLY 26 n 44 GLY 26 A ASN 27 n 45 ASN 27 A TRP 28 n 46 TRP 28 A VAL 29 n 47 VAL 29 A CYS 30 n 48 CYS 30 A ALA 31 n 49 ALA 31 A ALA 32 n 50 ALA 32 A LYS 33 n 51 LYS 33 A PHE 34 n 52 PHE 34 A GLU 35 n 53 GLU 35 A SER 36 n 54 SER 36 A ASN 37 n 55 ASN 37 A PHE 38 n 56 PHE 38 A ASN 39 n 57 ASN 39 A THR 40 n 58 THR 40 A GLN 41 n 59 GLN 41 A ALA 42 n 60 ALA 42 A THR 43 n 61 THR 43 A ASN 44 n 62 ASN 44 A ARG 45 n 63 ARG 45 A ASN 46 n 64 ASN 46 A THR 47 n 65 THR 47 A ASP 48 n 66 ASP 48 A GLY 49 n 67 GLY 49 A SER 50 n 68 SER 50 A THR 51 n 69 THR 51 A SER 52 n 70 SER 52 A TYR 53 n 71 TYR 53 A GLY 54 n 72 GLY 54 A ILE 55 n 73 ILE 55 A LEU 56 n 74 LEU 56 A GLN 57 n 75 GLN 57 A ILE 58 n 76 ILE 58 A ASN 59 n 77 ASN 59 A SER 60 n 78 SER 60 A ARG 61 n 79 ARG 61 A TRP 62 n 80 TRP 62 A TRP 63 n 81 TRP 63 A CYS 64 n 82 CYS 64 A ASN 65 n 83 ASN 65 A ASP 66 n 84 ASP 66 A GLY 67 n 85 GLY 67 A ARG 68 n 86 ARG 68 A THR 69 n 87 THR 69 A PRO 70 n 88 PRO 70 A GLY 71 n 89 GLY 71 A SER 72 n 90 SER 72 A ARG 73 n 91 ARG 73 A ASN 74 n 92 ASN 74 A LEU 75 n 93 LEU 75 A CYS 76 n 94 CYS 76 A ASN 77 n 95 ASN 77 A ILE 78 n 96 ILE 78 A PRO 79 n 97 PRO 79 A CYS 80 n 98 CYS 80 A SER 81 n 99 SER 81 A ALA 82 n 100 ALA 82 A LEU 83 n 101 LEU 83 A LEU 84 n 102 LEU 84 A SER 85 n 103 SER 85 A SER 86 n 104 SER 86 A ASP 87 n 105 ASP 87 A ILE 88 n 106 ILE 88 A THR 89 n 107 THR 89 A ALA 90 n 108 ALA 90 A SER 91 n 109 SER 91 A VAL 92 n 110 VAL 92 A ASN 93 n 111 ASN 93 A CYS 94 n 112 CYS 94 A ALA 95 n 113 ALA 95 A LYS 96 n 114 LYS 96 A LYS 97 n 115 LYS 97 A ILE 98 n 116 ILE 98 A VAL 99 n 117 VAL 99 A SER 100 n 118 SER 100 A ASP 101 n 119 ASP 101 A GLY 102 n 120 GLY 102 A ASN 103 n 121 ASN 103 A GLY 104 n 122 GLY 104 A MET 105 n 123 MET 105 A ASN 106 n 124 ASN 106 A ALA 107 n 125 ALA 107 A TRP 108 n 126 TRP 108 A VAL 109 n 127 VAL 109 A ALA 110 n 128 ALA 110 A TRP 111 n 129 TRP 111 A ARG 112 n 130 ARG 112 A ASN 113 n 131 ASN 113 A ARG 114 n 132 ARG 114 A CYS 115 n 133 CYS 115 A LYS 116 n 134 LYS 116 A GLY 117 n 135 GLY 117 A THR 118 n 136 THR 118 A ASP 119 n 137 ASP 119 A VAL 120 n 138 VAL 120 A GLN 121 n 139 GLN 121 A ALA 122 n 140 ALA 122 A TRP 123 n 141 TRP 123 A ILE 124 n 142 ILE 124 A ARG 125 n 143 ARG 125 A GLY 126 n 144 GLY 126 A CYS 127 n 145 CYS 127 A ARG 128 n 146 ARG 128 A LEU 129 n 147 LEU 129 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 A O ASN 44 A O ASN 62 A N SER 52 A N SER 70 A N TYR 53 A N TYR 71 A O ILE 58 A O ILE 76 1 A MET -17 A MET 1 1 Y 1 A ARG -16 A ARG 2 1 Y 1 A SER -15 A SER 3 1 Y 1 A LEU -14 A LEU 4 1 Y 1 A LEU -13 A LEU 5 1 Y 1 A ILE -12 A ILE 6 1 Y 1 A LEU -11 A LEU 7 1 Y 1 A VAL -10 A VAL 8 1 Y 1 A LEU -9 A LEU 9 1 Y 1 A CYS -8 A CYS 10 1 Y 1 A PHE -7 A PHE 11 1 Y 1 A LEU -6 A LEU 12 1 Y 1 A PRO -5 A PRO 13 1 Y 1 A LEU -4 A LEU 14 1 Y 1 A ALA -3 A ALA 15 1 Y 1 A ALA -2 A ALA 16 1 Y 1 A LEU -1 A LEU 17 1 Y 1 A GLY 0 A GLY 18 1 Y 1 4.32 0.50 120.30 124.62 A A A NE CZ NH1 ARG ARG ARG 5 5 5 N 1 5.43 0.90 118.30 123.73 A A A CB CG OD1 ASP ASP ASP 18 18 18 N 1 6.56 0.80 106.30 112.86 A A A CD1 CG CD2 TRP TRP TRP 28 28 28 N 1 -5.60 0.80 107.30 101.70 A A A CE2 CD2 CG TRP TRP TRP 28 28 28 N 1 3.81 0.50 120.30 124.11 A A A NE CZ NH1 ARG ARG ARG 61 61 61 N 1 7.66 0.80 106.30 113.96 A A A CD1 CG CD2 TRP TRP TRP 62 62 62 N 1 -6.09 1.00 110.10 104.01 A A A CG CD1 NE1 TRP TRP TRP 62 62 62 N 1 -6.07 0.80 107.30 101.23 A A A CE2 CD2 CG TRP TRP TRP 62 62 62 N 1 7.12 0.80 106.30 113.42 A A A CD1 CG CD2 TRP TRP TRP 63 63 63 N 1 -6.48 0.80 107.30 100.82 A A A CE2 CD2 CG TRP TRP TRP 63 63 63 N 1 5.54 0.90 133.90 139.44 A A A CG CD2 CE3 TRP TRP TRP 63 63 63 N 1 7.40 0.80 106.30 113.70 A A A CD1 CG CD2 TRP TRP TRP 108 108 108 N 1 -9.27 1.30 127.00 117.73 A A A CB CG CD1 TRP TRP TRP 108 108 108 N 1 -6.77 0.80 107.30 100.53 A A A CE2 CD2 CG TRP TRP TRP 108 108 108 N 1 6.07 0.90 133.90 139.97 A A A CG CD2 CE3 TRP TRP TRP 108 108 108 N 1 5.08 0.80 106.30 111.38 A A A CD1 CG CD2 TRP TRP TRP 111 111 111 N 1 -5.33 0.80 107.30 101.97 A A A CE2 CD2 CG TRP TRP TRP 111 111 111 N 1 -3.58 0.50 120.30 116.72 A A A NE CZ NH2 ARG ARG ARG 112 112 112 N 1 6.60 0.80 106.30 112.90 A A A CD1 CG CD2 TRP TRP TRP 123 123 123 N 1 -5.97 0.80 107.30 101.33 A A A CE2 CD2 CG TRP TRP TRP 123 123 123 N 1 3.16 0.50 120.30 123.46 A A A NE CZ NH1 ARG ARG ARG 125 125 125 N 1 A A NE2 CD2 HIS HIS 15 15 -0.073 0.011 1.373 1.300 N 1 A ARG 68 -145.20 21.95 19. 0.16 0.16 2.0 8.0 7420 1 0. 2.0 8.0 126 1182 57 0 999 0.01 2.7 23.8 1.2 21. 21. 2.2 8.0 1LSZ 7521 1 99.4 model building X-PLOR refinement X-PLOR phasing X-PLOR LYSOZYME (E.C.3.2.1.17) MUTANT WITH ASP 52 REPLACED BY SER (D52S) COMPLEXED WITH GLCNAC4 (TETRA-N-ACETYL CHITOTETRAOSE) CRYSTAL STRUCTURE OF THE MUTANT D52S HEN EGG WHITE LYSOZYME WITH AN OLIGOSACCHARIDE PRODUCT 1 N N 2 N N 3 N N A GLY 4 A GLY 22 HELX_P A HIS 15 A HIS 33 1 1 12 A SER 24 A SER 42 HELX_P A ASN 37 A ASN 55 1 2 14 A CYS 80 A CYS 98 HELX_P A SER 85 A SER 103 5 3 6 A ILE 88 A ILE 106 HELX_P A SER 100 A SER 118 1 4 13 A ASN 103 A ASN 121 HELX_P A ALA 107 A ALA 125 5 5 5 A TRP 108 A TRP 126 HELX_P A CYS 115 A CYS 133 1 6 8 A ASP 119 A ASP 137 HELX_P A ARG 125 A ARG 143 5 7 7 disulf 2.005 A CYS 6 A SG CYS 24 1_555 A CYS 127 A SG CYS 145 1_555 disulf 2.001 A CYS 30 A SG CYS 48 1_555 A CYS 115 A SG CYS 133 1_555 disulf 2.023 A CYS 64 A SG CYS 82 1_555 A CYS 80 A SG CYS 98 1_555 disulf 2.006 A CYS 76 A SG CYS 94 1_555 A CYS 94 A SG CYS 112 1_555 covale 1.425 both B NDG 1 B O4 NDG 1_555 B NAG 2 B C1 NAG 1_555 covale 1.454 both B NAG 2 B O4 NAG 1_555 B NAG 3 B C1 NAG 1_555 covale 1.421 both B NAG 3 B O4 NAG 1_555 B NAG 4 B C1 NAG 1_555 HYDROLASE(O-GLYCOSYL) HYDROLASE(O-GLYCOSYL) LYC_CHICK UNP 1 1 P00698 MRSLLILVLCFLPLAALGKVFGRCELAAAMKRHGLDNYRGYSLGNWVCAAKFESNFNTQATNRNTDGSTDYGILQINSRW WCNDGRTPGSRNLCNIPCSALLSSDITASVNCAKKIVSDGNGMNAWVAWRNRCKGTDVQAWIRGCRL 1 147 1LSZ -17 129 P00698 A 1 1 147 1 ASP conflict SER 52 1LSZ A P00698 UNP 70 70 3 anti-parallel anti-parallel A THR 43 A THR 61 A ARG 45 A ARG 63 A THR 51 A THR 69 A TYR 53 A TYR 71 A ILE 58 A ILE 76 A ASN 59 A ASN 77 96 P 43 21 2