>>4B3Q:SHEET    1  BB 2 VAL B  60  LYS B  64  0                                        
VFAIK
Search OCA for entries with sequence similar to this one (with E=10)

SHEET 1 BB 2 VAL B 60 LYS B 64 0 ATOM 4686 N VAL B 60 28.020 22.990 25.718 1.00140.00 N ATOM 4687 CA VAL B 60 27.675 21.891 26.623 1.00139.12 C ATOM 4688 C VAL B 60 28.435 21.988 27.954 1.00135.21 C ATOM 4689 O VAL B 60 29.631 22.291 27.980 1.00126.39 O ATOM 4690 CB VAL B 60 27.864 20.505 25.944 1.00137.64 C ATOM 4691 CG1 VAL B 60 29.327 20.239 25.599 1.00134.40 C ATOM 4692 CG2 VAL B 60 27.292 19.385 26.804 1.00142.08 C ATOM 4693 N PHE B 61 27.718 21.744 29.050 1.00140.51 N ATOM 4694 CA PHE B 61 28.282 21.811 30.398 1.00138.97 C ATOM 4695 C PHE B 61 27.917 20.572 31.217 1.00141.11 C ATOM 4696 O PHE B 61 27.074 19.771 30.804 1.00143.72 O ATOM 4697 CB PHE B 61 27.805 23.080 31.116 1.00150.07 C ATOM 4698 CG PHE B 61 28.228 24.359 30.445 1.00157.41 C ATOM 4699 CD1 PHE B 61 29.477 24.917 30.702 1.00160.66 C ATOM 4700 CD2 PHE B 61 27.374 25.013 29.562 1.00151.86 C ATOM 4701 CE1 PHE B 61 29.868 26.097 30.086 1.00160.27 C ATOM 4702 CE2 PHE B 61 27.759 26.193 28.943 1.00151.60 C ATOM 4703 CZ PHE B 61 29.008 26.736 29.206 1.00157.60 C ATOM 4704 N ALA B 62 28.557 20.420 32.375 1.00146.07 N ATOM 4705 CA ALA B 62 28.289 19.298 33.272 1.00152.67 C ATOM 4706 C ALA B 62 27.764 19.774 34.626 1.00154.03 C ATOM 4707 O ALA B 62 28.324 20.691 35.232 1.00152.90 O ATOM 4708 CB ALA B 62 29.538 18.447 33.449 1.00153.76 C ATOM 4709 N ILE B 63 26.684 19.145 35.086 1.00150.45 N ATOM 4710 CA ILE B 63 26.051 19.494 36.362 1.00141.77 C ATOM 4711 C ILE B 63 25.884 18.280 37.277 1.00136.65 C ATOM 4712 O ILE B 63 25.796 17.144 36.804 1.00139.61 O ATOM 4713 CB ILE B 63 24.682 20.191 36.166 1.00144.35 C ATOM 4714 CG1 ILE B 63 23.787 19.391 35.206 1.00141.36 C ATOM 4715 CG2 ILE B 63 24.878 21.624 35.682 1.00143.62 C ATOM 4716 CD1 ILE B 63 22.309 19.702 35.320 1.00137.52 C ATOM 4717 N LYS B 64 25.842 18.530 38.584 1.00136.63 N ATOM 4718 CA LYS B 64 25.677 17.468 39.579 1.00140.23 C ATOM 4719 C LYS B 64 24.234 17.353 40.076 1.00148.81 C ATOM 4720 O LYS B 64 23.514 18.351 40.162 1.00151.59 O ATOM 4721 CB LYS B 64 26.646 17.659 40.755 1.00142.29 C ATOM 4722 CG LYS B 64 26.557 19.009 41.458 1.00145.43 C ATOM 4723 CD LYS B 64 27.521 19.104 42.633 1.00151.72 C ATOM 4724 CE LYS B 64 28.953 19.354 42.180 1.00153.16 C ATOM 4725 NZ LYS B 64 29.892 19.446 43.332 1.00154.50 N