0.013057 0.000000 0.000000 0.000000 0.012173 0.000000 0.000000 0.000000 0.022857 0.00000 0.00000 0.00000 Rosano, C. Arosio, P. Bolognesi, M. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 76.590 82.150 43.750 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 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 IX Eur.J.Biochem. EJBCAI 0262 0014-2956 256 453 460 10.1046/j.1432-1327.1998.2560453.x 9760187 Biochemical characterization and crystal structure of a recombinant hen avidin and its acidic mutant expressed in Escherichia coli. 1998 UK J.Mol.Biol. JMOBAK 0070 0022-2836 235 42 Crystal Structure of Apo-Avidin from Hen Egg-White 1994 US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 90 5076 Three-Dimensional Structures of Avidin and the Avidin-Biotin Complex 1993 UK J.Mol.Biol. JMOBAK 0070 0022-2836 231 698 Three-Dimensional Structure of the Tetragonal Crystal Form of Egg-White Avidin in its Functional Complex with Biotin at 2.7 A Resolution 1993 10.2210/pdb2cam/pdb pdb_00002cam 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 293 1 IMAGE PLATE 1997-12 RIGAKU RAXIS IIC GRAPHITE(002) M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RUH2R 14204.784 AVIDIN K3E, K9E, R26D, R124L 2 man polymer 18.015 water 89 nat water no no RECSLTGEWTNDLGSNMTIGAVNSDGEFTGTYITAVTATSNEIKESPLHGTENTINKRTQPTFGFTVNWKFSESTTVFTG QCFIDRNGKEVLKTMWLLRSSVNDIGDDWKATRVGINIFTRLLTQKE RECSLTGEWTNDLGSNMTIGAVNSDGEFTGTYITAVTATSNEIKESPLHGTENTINKRTQPTFGFTVNWKFSESTTVFTG QCFIDRNGKEVLKTMWLLRSSVNDIGDDWKATRVGINIFTRLLTQKE 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 chicken Gallus Escherichia Escherichia coli sample EGG BL21 CYTOPLASM (WHITE) 9031 Gallus gallus 469008 Escherichia coli BL21(DE3) BL21 (DE3) BL21 1 2.50 50.8 VAPOR DIFFUSION 5.7 RECOMBINANT AVIDIN WAS CRYSTALLIZED FROM AMMONIUM SULFATE 2M. PH 5.7 0.05 M PHOSPHATE BUFFER AT 22 C BY VAPOUR DIFFUSION TECHNIQUES., vapor diffusion, temperature 295K 295 database_2 struct_ref_seq_dif pdbx_initial_refinement_model repository Initial release Version format compliance Derived calculations Version format compliance Database references Refinement description 1 0 1998-07-15 1 1 2008-03-24 1 2 2011-07-13 1 3 2021-11-03 1 4 2023-08-09 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_ref_seq_dif.details Y BNL 1998-03-27 REL REL HOH water 1AVE PDB ENTRY 1AVE PDB experimental model HOH 501 2 HOH HOH 501 A HOH 503 2 HOH HOH 503 A HOH 504 2 HOH HOH 504 A HOH 506 2 HOH HOH 506 A HOH 508 2 HOH HOH 508 A HOH 509 2 HOH HOH 509 A HOH 511 2 HOH HOH 511 A HOH 514 2 HOH HOH 514 A HOH 517 2 HOH HOH 517 A HOH 522 2 HOH HOH 522 A HOH 527 2 HOH HOH 527 A HOH 528 2 HOH HOH 528 A HOH 531 2 HOH HOH 531 A HOH 534 2 HOH HOH 534 A HOH 539 2 HOH HOH 539 A HOH 540 2 HOH HOH 540 A HOH 541 2 HOH HOH 541 A HOH 542 2 HOH HOH 542 A HOH 543 2 HOH HOH 543 A HOH 546 2 HOH HOH 546 A HOH 549 2 HOH HOH 549 A HOH 552 2 HOH HOH 552 A HOH 555 2 HOH HOH 555 A HOH 556 2 HOH HOH 556 A HOH 557 2 HOH HOH 557 A HOH 560 2 HOH HOH 560 A HOH 562 2 HOH HOH 562 A HOH 566 2 HOH HOH 566 A HOH 575 2 HOH HOH 575 A HOH 580 2 HOH HOH 580 A HOH 583 2 HOH HOH 583 A HOH 585 2 HOH HOH 585 A HOH 587 2 HOH HOH 587 A HOH 589 2 HOH HOH 589 A HOH 594 2 HOH HOH 594 A HOH 596 2 HOH HOH 596 A HOH 612 2 HOH HOH 612 A HOH 656 2 HOH HOH 656 A HOH 658 2 HOH HOH 658 A HOH 659 2 HOH HOH 659 A HOH 660 2 HOH HOH 660 A HOH 663 2 HOH HOH 663 A HOH 665 2 HOH HOH 665 A HOH 668 2 HOH HOH 668 A HOH 669 2 HOH HOH 669 A HOH 672 2 HOH HOH 672 A HOH 502 2 HOH HOH 502 B HOH 505 2 HOH HOH 505 B HOH 507 2 HOH HOH 507 B HOH 510 2 HOH HOH 510 B HOH 512 2 HOH HOH 512 B HOH 513 2 HOH HOH 513 B HOH 515 2 HOH HOH 515 B HOH 516 2 HOH HOH 516 B HOH 518 2 HOH HOH 518 B HOH 519 2 HOH HOH 519 B HOH 520 2 HOH HOH 520 B HOH 521 2 HOH HOH 521 B HOH 523 2 HOH HOH 523 B HOH 524 2 HOH HOH 524 B HOH 525 2 HOH HOH 525 B HOH 526 2 HOH HOH 526 B HOH 529 2 HOH HOH 529 B HOH 532 2 HOH HOH 532 B HOH 533 2 HOH HOH 533 B HOH 536 2 HOH HOH 536 B HOH 538 2 HOH HOH 538 B HOH 544 2 HOH HOH 544 B HOH 550 2 HOH HOH 550 B HOH 551 2 HOH HOH 551 B HOH 553 2 HOH HOH 553 B HOH 554 2 HOH HOH 554 B HOH 559 2 HOH HOH 559 B HOH 565 2 HOH HOH 565 B HOH 570 2 HOH HOH 570 B HOH 573 2 HOH HOH 573 B HOH 577 2 HOH HOH 577 B HOH 582 2 HOH HOH 582 B HOH 586 2 HOH HOH 586 B HOH 593 2 HOH HOH 593 B HOH 595 2 HOH HOH 595 B HOH 603 2 HOH HOH 603 B HOH 616 2 HOH HOH 616 B HOH 624 2 HOH HOH 624 B HOH 657 2 HOH HOH 657 B HOH 661 2 HOH HOH 661 B HOH 664 2 HOH HOH 664 B HOH 680 2 HOH HOH 680 B HOH 681 2 HOH HOH 681 B ARG 2 n 1 ARG 2 A GLU 3 n 2 GLU 3 A CYS 4 n 3 CYS 4 A SER 5 n 4 SER 5 A LEU 6 n 5 LEU 6 A THR 7 n 6 THR 7 A GLY 8 n 7 GLY 8 A GLU 9 n 8 GLU 9 A TRP 10 n 9 TRP 10 A THR 11 n 10 THR 11 A ASN 12 n 11 ASN 12 A ASP 13 n 12 ASP 13 A LEU 14 n 13 LEU 14 A GLY 15 n 14 GLY 15 A SER 16 n 15 SER 16 A ASN 17 n 16 ASN 17 A MET 18 n 17 MET 18 A THR 19 n 18 THR 19 A ILE 20 n 19 ILE 20 A GLY 21 n 20 GLY 21 A ALA 22 n 21 ALA 22 A VAL 23 n 22 VAL 23 A ASN 24 n 23 ASN 24 A SER 25 n 24 SER 25 A ASP 26 n 25 ASP 26 A GLY 27 n 26 GLY 27 A GLU 28 n 27 GLU 28 A PHE 29 n 28 PHE 29 A THR 30 n 29 THR 30 A GLY 31 n 30 GLY 31 A THR 32 n 31 THR 32 A TYR 33 n 32 TYR 33 A ILE 34 n 33 ILE 34 A THR 35 n 34 THR 35 A ALA 36 n 35 ALA 36 A VAL 37 n 36 VAL 37 A THR 38 n 37 THR 38 A ALA 39 n 38 ALA 39 A THR 40 n 39 THR 40 A SER 41 n 40 SER 41 A ASN 42 n 41 ASN 42 A GLU 43 n 42 GLU 43 A ILE 44 n 43 ILE 44 A LYS 45 n 44 LYS 45 A GLU 46 n 45 GLU 46 A SER 47 n 46 SER 47 A PRO 48 n 47 PRO 48 A LEU 49 n 48 LEU 49 A HIS 50 n 49 HIS 50 A GLY 51 n 50 GLY 51 A THR 52 n 51 THR 52 A GLU 53 n 52 GLU 53 A ASN 54 n 53 ASN 54 A THR 55 n 54 THR 55 A ILE 56 n 55 ILE 56 A ASN 57 n 56 ASN 57 A LYS 58 n 57 LYS 58 A ARG 59 n 58 ARG 59 A THR 60 n 59 THR 60 A GLN 61 n 60 GLN 61 A PRO 62 n 61 PRO 62 A THR 63 n 62 THR 63 A PHE 64 n 63 PHE 64 A GLY 65 n 64 GLY 65 A PHE 66 n 65 PHE 66 A THR 67 n 66 THR 67 A VAL 68 n 67 VAL 68 A ASN 69 n 68 ASN 69 A TRP 70 n 69 TRP 70 A LYS 71 n 70 LYS 71 A PHE 72 n 71 PHE 72 A SER 73 n 72 SER 73 A GLU 74 n 73 GLU 74 A SER 75 n 74 SER 75 A THR 76 n 75 THR 76 A THR 77 n 76 THR 77 A VAL 78 n 77 VAL 78 A PHE 79 n 78 PHE 79 A THR 80 n 79 THR 80 A GLY 81 n 80 GLY 81 A GLN 82 n 81 GLN 82 A CYS 83 n 82 CYS 83 A PHE 84 n 83 PHE 84 A ILE 85 n 84 ILE 85 A ASP 86 n 85 ASP 86 A ARG 87 n 86 ARG 87 A ASN 88 n 87 ASN 88 A GLY 89 n 88 GLY 89 A LYS 90 n 89 LYS 90 A GLU 91 n 90 GLU 91 A VAL 92 n 91 VAL 92 A LEU 93 n 92 LEU 93 A LYS 94 n 93 LYS 94 A THR 95 n 94 THR 95 A MET 96 n 95 MET 96 A TRP 97 n 96 TRP 97 A LEU 98 n 97 LEU 98 A LEU 99 n 98 LEU 99 A ARG 100 n 99 ARG 100 A SER 101 n 100 SER 101 A SER 102 n 101 SER 102 A VAL 103 n 102 VAL 103 A ASN 104 n 103 ASN 104 A ASP 105 n 104 ASP 105 A ILE 106 n 105 ILE 106 A GLY 107 n 106 GLY 107 A ASP 108 n 107 ASP 108 A ASP 109 n 108 ASP 109 A TRP 110 n 109 TRP 110 A LYS 111 n 110 LYS 111 A ALA 112 n 111 ALA 112 A THR 113 n 112 THR 113 A ARG 114 n 113 ARG 114 A VAL 115 n 114 VAL 115 A GLY 116 n 115 GLY 116 A ILE 117 n 116 ILE 117 A ASN 118 n 117 ASN 118 A ILE 119 n 118 ILE 119 A PHE 120 n 119 PHE 120 A THR 121 n 120 THR 121 A ARG 122 n 121 ARG 122 A LEU 123 n 122 LEU 123 A LEU 124 n 123 LEU 124 A THR 125 n 124 THR 125 A n 125 126 A n 126 127 A n 127 128 A ARG 2 n 1 ARG 2 B GLU 3 n 2 GLU 3 B CYS 4 n 3 CYS 4 B SER 5 n 4 SER 5 B LEU 6 n 5 LEU 6 B THR 7 n 6 THR 7 B GLY 8 n 7 GLY 8 B GLU 9 n 8 GLU 9 B TRP 10 n 9 TRP 10 B THR 11 n 10 THR 11 B ASN 12 n 11 ASN 12 B ASP 13 n 12 ASP 13 B LEU 14 n 13 LEU 14 B GLY 15 n 14 GLY 15 B SER 16 n 15 SER 16 B ASN 17 n 16 ASN 17 B MET 18 n 17 MET 18 B THR 19 n 18 THR 19 B ILE 20 n 19 ILE 20 B GLY 21 n 20 GLY 21 B ALA 22 n 21 ALA 22 B VAL 23 n 22 VAL 23 B ASN 24 n 23 ASN 24 B SER 25 n 24 SER 25 B ASP 26 n 25 ASP 26 B GLY 27 n 26 GLY 27 B GLU 28 n 27 GLU 28 B PHE 29 n 28 PHE 29 B THR 30 n 29 THR 30 B GLY 31 n 30 GLY 31 B THR 32 n 31 THR 32 B TYR 33 n 32 TYR 33 B ILE 34 n 33 ILE 34 B THR 35 n 34 THR 35 B ALA 36 n 35 ALA 36 B VAL 37 n 36 VAL 37 B THR 38 n 37 THR 38 B ALA 39 n 38 ALA 39 B THR 40 n 39 THR 40 B SER 41 n 40 SER 41 B ASN 42 n 41 ASN 42 B GLU 43 n 42 GLU 43 B ILE 44 n 43 ILE 44 B LYS 45 n 44 LYS 45 B GLU 46 n 45 GLU 46 B SER 47 n 46 SER 47 B PRO 48 n 47 PRO 48 B LEU 49 n 48 LEU 49 B HIS 50 n 49 HIS 50 B GLY 51 n 50 GLY 51 B THR 52 n 51 THR 52 B GLU 53 n 52 GLU 53 B ASN 54 n 53 ASN 54 B THR 55 n 54 THR 55 B ILE 56 n 55 ILE 56 B ASN 57 n 56 ASN 57 B LYS 58 n 57 LYS 58 B ARG 59 n 58 ARG 59 B THR 60 n 59 THR 60 B GLN 61 n 60 GLN 61 B PRO 62 n 61 PRO 62 B THR 63 n 62 THR 63 B PHE 64 n 63 PHE 64 B GLY 65 n 64 GLY 65 B PHE 66 n 65 PHE 66 B THR 67 n 66 THR 67 B VAL 68 n 67 VAL 68 B ASN 69 n 68 ASN 69 B TRP 70 n 69 TRP 70 B LYS 71 n 70 LYS 71 B PHE 72 n 71 PHE 72 B SER 73 n 72 SER 73 B GLU 74 n 73 GLU 74 B SER 75 n 74 SER 75 B THR 76 n 75 THR 76 B THR 77 n 76 THR 77 B VAL 78 n 77 VAL 78 B PHE 79 n 78 PHE 79 B THR 80 n 79 THR 80 B GLY 81 n 80 GLY 81 B GLN 82 n 81 GLN 82 B CYS 83 n 82 CYS 83 B PHE 84 n 83 PHE 84 B ILE 85 n 84 ILE 85 B ASP 86 n 85 ASP 86 B ARG 87 n 86 ARG 87 B ASN 88 n 87 ASN 88 B GLY 89 n 88 GLY 89 B LYS 90 n 89 LYS 90 B GLU 91 n 90 GLU 91 B VAL 92 n 91 VAL 92 B LEU 93 n 92 LEU 93 B LYS 94 n 93 LYS 94 B THR 95 n 94 THR 95 B MET 96 n 95 MET 96 B TRP 97 n 96 TRP 97 B LEU 98 n 97 LEU 98 B LEU 99 n 98 LEU 99 B ARG 100 n 99 ARG 100 B SER 101 n 100 SER 101 B SER 102 n 101 SER 102 B VAL 103 n 102 VAL 103 B ASN 104 n 103 ASN 104 B ASP 105 n 104 ASP 105 B ILE 106 n 105 ILE 106 B GLY 107 n 106 GLY 107 B ASP 108 n 107 ASP 108 B ASP 109 n 108 ASP 109 B TRP 110 n 109 TRP 110 B LYS 111 n 110 LYS 111 B ALA 112 n 111 ALA 112 B THR 113 n 112 THR 113 B ARG 114 n 113 ARG 114 B VAL 115 n 114 VAL 115 B GLY 116 n 115 GLY 116 B ILE 117 n 116 ILE 117 B ASN 118 n 117 ASN 118 B ILE 119 n 118 ILE 119 B PHE 120 n 119 PHE 120 B THR 121 n 120 THR 121 B ARG 122 n 121 ARG 122 B LEU 123 n 122 LEU 123 B LEU 124 n 123 LEU 124 B THR 125 n 124 THR 125 B n 125 126 B n 126 127 B n 127 128 B 0.181 author_and_software_defined_assembly PISA,PQS 4 tetrameric 9960 -55 22300 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 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 2_565 -x,-y+1,z crystal symmetry operation 0.0000000000 82.1500000000 0.0000000000 A O MET 18 A O MET 17 A N TRP 10 A N TRP 9 A O THR 11 A O THR 10 A N THR 121 A N THR 120 A O ARG 114 A O ARG 113 A N LEU 99 A N LEU 98 A O VAL 92 A O VAL 91 A N PHE 84 A N PHE 83 A O THR 77 A O THR 76 A N VAL 68 A N VAL 67 A O GLY 65 A O GLY 64 A N THR 52 A N THR 51 A O LYS 45 A O LYS 44 A N THR 35 A N THR 34 A O THR 32 A O THR 31 A N THR 19 A N THR 18 B O MET 18 B O MET 17 B N TRP 10 B N TRP 9 B O THR 11 B O THR 10 B N THR 121 B N THR 120 B O ARG 114 B O ARG 113 B N LEU 99 B N LEU 98 B O VAL 92 B O VAL 91 B N PHE 84 B N PHE 83 B O THR 77 B O THR 76 B N VAL 68 B N VAL 67 B O GLY 65 B O GLY 64 B N THR 52 B N THR 51 B O SER 47 B O SER 46 B N TYR 33 B N TYR 32 B O THR 32 B O THR 31 B N THR 19 B N THR 18 1 A CB GLU 3 A CB GLU 2 0 Y 1 A CG GLU 3 A CG GLU 2 0 Y 1 A CD GLU 3 A CD GLU 2 0 Y 1 A OE1 GLU 3 A OE1 GLU 2 0 Y 1 A OE2 GLU 3 A OE2 GLU 2 0 Y 1 A CD GLU 9 A CD GLU 8 0 Y 1 A OE1 GLU 9 A OE1 GLU 8 0 Y 1 A OE2 GLU 9 A OE2 GLU 8 0 Y 1 A CB LEU 14 A CB LEU 13 0 Y 1 A OG SER 25 A OG SER 24 0 Y 1 A OD1 ASP 26 A OD1 ASP 25 0 Y 1 A OD2 ASP 26 A OD2 ASP 25 0 Y 1 A N ALA 36 A N ALA 35 0 Y 1 A O ALA 36 A O ALA 35 0 Y 1 A CB ALA 36 A CB ALA 35 0 Y 1 A CG ASN 42 A CG ASN 41 0 Y 1 A OD1 ASN 42 A OD1 ASN 41 0 Y 1 A ND2 ASN 42 A ND2 ASN 41 0 Y 1 A CB GLU 43 A CB GLU 42 0 Y 1 A CG GLU 43 A CG GLU 42 0 Y 1 A CD GLU 43 A CD GLU 42 0 Y 1 A OE1 GLU 43 A OE1 GLU 42 0 Y 1 A OE2 GLU 43 A OE2 GLU 42 0 Y 1 A CB ILE 44 A CB ILE 43 0 Y 1 A CG2 ILE 44 A CG2 ILE 43 0 Y 1 A CD LYS 45 A CD LYS 44 0 Y 1 A CE LYS 58 A CE LYS 57 0 Y 1 A NZ LYS 58 A NZ LYS 57 0 Y 1 A CZ ARG 59 A CZ ARG 58 0 Y 1 A NH1 ARG 59 A NH1 ARG 58 0 Y 1 A CD LYS 71 A CD LYS 70 0 Y 1 A CE LYS 71 A CE LYS 70 0 Y 1 A NZ LYS 71 A NZ LYS 70 0 Y 1 A OE1 GLU 74 A OE1 GLU 73 0 Y 1 A CG2 ILE 85 A CG2 ILE 84 0 Y 1 A CD1 ILE 85 A CD1 ILE 84 0 Y 1 A CG LYS 90 A CG LYS 89 0 Y 1 A CD LYS 90 A CD LYS 89 0 Y 1 A CE LYS 90 A CE LYS 89 0 Y 1 A NZ LYS 90 A NZ LYS 89 0 Y 1 A NZ LYS 94 A NZ LYS 93 0 Y 1 A NH1 ARG 114 A NH1 ARG 113 0 Y 1 A NH2 ARG 114 A NH2 ARG 113 0 Y 1 A CA LEU 124 A CA LEU 123 0 Y 1 A C LEU 124 A C LEU 123 0 Y 1 A O LEU 124 A O LEU 123 0 Y 1 A CB LEU 124 A CB LEU 123 0 Y 1 A CG LEU 124 A CG LEU 123 0 Y 1 A CD1 LEU 124 A CD1 LEU 123 0 Y 1 A CD2 LEU 124 A CD2 LEU 123 0 Y 1 B N ARG 2 B N ARG 1 0 Y 1 B CA ARG 2 B CA ARG 1 0 Y 1 B CB ARG 2 B CB ARG 1 0 Y 1 B CG ARG 2 B CG ARG 1 0 Y 1 B NE ARG 2 B NE ARG 1 0 Y 1 B CZ ARG 2 B CZ ARG 1 0 Y 1 B NH1 ARG 2 B NH1 ARG 1 0 Y 1 B NH2 ARG 2 B NH2 ARG 1 0 Y 1 B CB GLU 3 B CB GLU 2 0 Y 1 B CG GLU 3 B CG GLU 2 0 Y 1 B CD GLU 3 B CD GLU 2 0 Y 1 B OE1 GLU 3 B OE1 GLU 2 0 Y 1 B OE2 GLU 3 B OE2 GLU 2 0 Y 1 B CD1 LEU 6 B CD1 LEU 5 0 Y 1 B CD GLU 9 B CD GLU 8 0 Y 1 B OE1 GLU 9 B OE1 GLU 8 0 Y 1 B OE2 GLU 9 B OE2 GLU 8 0 Y 1 B CD1 LEU 14 B CD1 LEU 13 0 Y 1 B CD2 LEU 14 B CD2 LEU 13 0 Y 1 B OE1 GLU 28 B OE1 GLU 27 0 Y 1 B OE2 GLU 28 B OE2 GLU 27 0 Y 1 B N ALA 36 B N ALA 35 0 Y 1 B C ALA 36 B C ALA 35 0 Y 1 B O ALA 36 B O ALA 35 0 Y 1 B C ALA 39 B C ALA 38 0 Y 1 B O ALA 39 B O ALA 38 0 Y 1 B N GLU 43 B N GLU 42 0 Y 1 B O GLU 43 B O GLU 42 0 Y 1 B CB GLU 43 B CB GLU 42 0 Y 1 B CG GLU 43 B CG GLU 42 0 Y 1 B CD GLU 43 B CD GLU 42 0 Y 1 B OE1 GLU 43 B OE1 GLU 42 0 Y 1 B OE2 GLU 43 B OE2 GLU 42 0 Y 1 B CG1 ILE 44 B CG1 ILE 43 0 Y 1 B CG2 ILE 44 B CG2 ILE 43 0 Y 1 B CD1 ILE 44 B CD1 ILE 43 0 Y 1 B CA LYS 45 B CA LYS 44 0 Y 1 B C LYS 45 B C LYS 44 0 Y 1 B O LYS 45 B O LYS 44 0 Y 1 B CB LYS 45 B CB LYS 44 0 Y 1 B CG LYS 45 B CG LYS 44 0 Y 1 B CD LYS 45 B CD LYS 44 0 Y 1 B CE LYS 45 B CE LYS 44 0 Y 1 B NZ LYS 45 B NZ LYS 44 0 Y 1 B CD LYS 58 B CD LYS 57 0 Y 1 B CE LYS 58 B CE LYS 57 0 Y 1 B NZ LYS 58 B NZ LYS 57 0 Y 1 B CZ ARG 59 B CZ ARG 58 0 Y 1 B NH1 ARG 59 B NH1 ARG 58 0 Y 1 B NH2 ARG 59 B NH2 ARG 58 0 Y 1 B CG ARG 87 B CG ARG 86 0 Y 1 B CD ARG 87 B CD ARG 86 0 Y 1 B NE ARG 87 B NE ARG 86 0 Y 1 B CZ ARG 87 B CZ ARG 86 0 Y 1 B NH1 ARG 87 B NH1 ARG 86 0 Y 1 B NH2 ARG 87 B NH2 ARG 86 0 Y 1 B NZ LYS 90 B NZ LYS 89 0 Y 1 B ND2 ASN 104 B ND2 ASN 103 0 Y 1 B NH1 ARG 114 B NH1 ARG 113 0 Y 1 B NH2 ARG 114 B NH2 ARG 113 0 Y 1 B CD1 LEU 123 B CD1 LEU 122 0 Y 1 B CD2 LEU 123 B CD2 LEU 122 0 Y 1 A ARG 2 A ARG 1 0 Y 1 A VAL 37 A VAL 36 0 Y 1 A THR 38 A THR 37 0 Y 1 A ALA 39 A ALA 38 0 Y 1 A THR 40 A THR 39 0 Y 1 A SER 41 A SER 40 0 Y 1 A ASP 86 A ASP 85 0 Y 1 A ARG 87 A ARG 86 0 Y 1 A ASN 88 A ASN 87 0 Y 1 A THR 125 A THR 124 0 Y 1 A GLN 126 A GLN 125 1 Y 1 A LYS 127 A LYS 126 1 Y 1 A GLU 128 A GLU 127 1 Y 1 B VAL 37 B VAL 36 0 Y 1 B THR 38 B THR 37 0 Y 1 B THR 40 B THR 39 0 Y 1 B SER 41 B SER 40 0 Y 1 B ASN 42 B ASN 41 0 Y 1 B LEU 124 B LEU 123 0 Y 1 B THR 125 B THR 124 0 Y 1 B GLN 126 B GLN 125 1 Y 1 B LYS 127 B LYS 126 1 Y 1 B GLU 128 B GLU 127 1 Y 1 -5.44 0.90 118.30 112.86 A A A CB CG OD2 ASP ASP ASP 26 26 26 N 1 3.33 0.50 120.30 123.63 A A A NE CZ NH2 ARG ARG ARG 59 59 59 N 1 -13.72 2.10 128.40 114.68 A A A C N CD GLN PRO PRO 61 62 62 Y 1 -6.13 0.90 118.30 112.17 A A A CB CG OD2 ASP ASP ASP 86 86 86 N 1 10.96 1.40 123.60 134.56 A A A CD NE CZ ARG ARG ARG 100 100 100 N 1 8.60 0.50 120.30 128.90 A A A NE CZ NH1 ARG ARG ARG 100 100 100 N 1 -5.13 0.50 120.30 115.17 A A A NE CZ NH2 ARG ARG ARG 100 100 100 N 1 5.89 0.90 118.30 124.19 A A A CB CG OD1 ASP ASP ASP 105 105 105 N 1 -8.76 0.90 118.30 109.54 A A A CB CG OD2 ASP ASP ASP 105 105 105 N 1 -5.93 0.90 118.30 112.37 B B B CB CG OD2 ASP ASP ASP 13 13 13 N 1 5.85 0.90 118.30 124.15 B B B CB CG OD1 ASP ASP ASP 86 86 86 N 1 -7.12 0.90 118.30 111.18 B B B CB CG OD2 ASP ASP ASP 86 86 86 N 1 -6.74 0.90 118.30 111.56 B B B CB CG OD2 ASP ASP ASP 105 105 105 N 1 7.98 0.90 118.30 126.28 B B B CB CG OD1 ASP ASP ASP 109 109 109 N 1 -9.65 0.90 118.30 108.65 B B B CB CG OD2 ASP ASP ASP 109 109 109 N 1 A A CD OE2 GLU GLU 91 91 0.074 0.011 1.252 1.326 N 1 B B CD OE2 GLU GLU 74 74 0.073 0.011 1.252 1.325 N 1 B B CD OE2 GLU GLU 91 91 0.073 0.011 1.252 1.325 N 1 A A O OG1 SER THR 41 60 1.97 1_555 1_556 1 A GLU 3 -38.01 163.41 1 A VAL 37 -15.71 102.41 1 A THR 38 35.95 55.00 1 A ALA 39 -11.78 137.91 1 A THR 40 96.95 -93.35 1 A SER 41 -9.96 -64.01 1 A ASN 42 -145.94 48.48 1 A GLU 43 38.82 -131.77 1 A LYS 58 22.96 68.43 1 A ILE 85 -121.37 -133.85 1 A ASP 86 -15.94 135.84 1 A ARG 87 170.42 2.06 1 A ASN 88 166.70 -31.83 1 A LEU 124 -49.92 77.40 1 B GLU 3 103.25 56.43 1 B ALA 36 -105.32 -78.00 1 B ALA 39 37.47 30.06 1 B THR 40 157.45 38.04 1 B SER 41 -6.55 133.49 1 B GLU 43 -41.49 -102.87 1 B LEU 123 -95.61 -101.22 1 B LEU 124 29.62 104.19 0.181 2.2 20.2 13827 13827 95.0 1 TNT BCORREL 0.0 MOLECULAR REPLACEMENT PDB ENTRY 1AVE TNT PROTGEO TNT 150 0.78 2.2 20.2 89 2029 0 0 1940 0.015 1980 8.100 2.644 2686 11.500 20.493 1176 0.000 0 0.015 54 9.900 0.017 284 33.900 3.936 1980 20.900 0.082 40 10.500 2.2 22.0 2CAM 13827 0 0.045 1 15 3.6 95 2.2 2.7 1 93.2 data reduction MOSFLM data reduction CCP4 phasing AMoRE refinement TNT 5E data scaling CCP4 AVIDIN MUTANT (K3E,K9E,R26D,R124L) 1 N N 1 N N 2 N N 2 N N A ILE 106 A ILE 105 HELX_P A LYS 111 A LYS 110 5 1 6 B ILE 56 B ILE 55 HELX_P B LYS 58 B LYS 57 5 2 3 B ILE 106 B ILE 105 HELX_P B LYS 111 B LYS 110 5 3 6 disulf 2.000 A CYS 4 A SG CYS 3 1_555 A CYS 83 A SG CYS 82 1_555 disulf 1.999 B CYS 4 B SG CYS 3 1_555 B CYS 83 B SG CYS 82 1_555 GLYCOPROTEIN AVIDIN, BIOTIN BINDING PROTEIN, CALYCINS, UP-AND-DOWN BETA BARREL, GLYCOPROTEIN AVID_CHICK UNP 1 1 P02701 MVHATSPLLLLLLLSLALVAPGLSARKCSLTGKWTNDLGSNMTIGAVNSRGEFTGTYITAVTATSNEIKESPLHGTENTI NKRTQPTFGFTVNWKFSESTTVFTGQCFIDRNGKEVLKTMWLLRSSVNDIGDDWKATRVGINIFTRLRTQKE 26 152 2CAM 2 128 P02701 A 1 1 127 26 152 2CAM 2 128 P02701 B 1 1 127 1 LYS engineered mutation GLU 3 2CAM A P02701 UNP 27 2 1 LYS engineered mutation GLU 9 2CAM A P02701 UNP 33 8 1 ARG engineered mutation ASP 26 2CAM A P02701 UNP 50 25 1 ARG engineered mutation LEU 124 2CAM A P02701 UNP 148 123 2 LYS engineered mutation GLU 3 2CAM B P02701 UNP 27 2 2 LYS engineered mutation GLU 9 2CAM B P02701 UNP 33 8 2 ARG engineered mutation ASP 26 2CAM B P02701 UNP 50 25 2 ARG engineered mutation LEU 124 2CAM B P02701 UNP 148 123 9 9 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A ASN 17 A ASN 16 A ILE 20 A ILE 19 A GLY 8 A GLY 7 A ASN 12 A ASN 11 A THR 113 A THR 112 A ARG 122 A ARG 121 A VAL 92 A VAL 91 A ARG 100 A ARG 99 A THR 76 A THR 75 A PHE 84 A PHE 83 A THR 63 A THR 62 A VAL 68 A VAL 67 A LYS 45 A LYS 44 A GLU 53 A GLU 52 A GLU 28 A GLU 27 A THR 35 A THR 34 A ASN 17 A ASN 16 A ILE 20 A ILE 19 B ASN 17 B ASN 16 B ILE 20 B ILE 19 B GLY 8 B GLY 7 B ASN 12 B ASN 11 B THR 113 B THR 112 B ARG 122 B ARG 121 B GLU 91 B GLU 90 B ARG 100 B ARG 99 B THR 76 B THR 75 B ILE 85 B ILE 84 B THR 63 B THR 62 B ASN 69 B ASN 68 B GLU 46 B GLU 45 B GLU 53 B GLU 52 B GLU 28 B GLU 27 B ILE 34 B ILE 33 B ASN 17 B ASN 16 B ILE 20 B ILE 19 Unknown 5 Unknown 5 A ASN 12 A ASN 11 5 1_555 A SER 16 A SER 15 5 1_555 A TYR 33 A TYR 32 5 1_555 A THR 35 A THR 34 5 1_555 A ASN 118 A ASN 117 5 1_555 B ASN 12 B ASN 11 5 1_555 B SER 16 B SER 15 5 1_555 B TYR 33 B TYR 32 5 1_555 B THR 35 B THR 34 5 1_555 B ASN 118 B ASN 117 5 1_555 18 P 21 21 2