Chains and heterogens:
PDB Chain Sequences:
>1ntp_ (-) ivggytcgantvpyqvslnsgyhfcggslidsqwvvsaahcyksgiqvrlgedninvveg neqfisasksivhpsydsntlnndimliklksaasldsrvasislptscasagtqclisg wgntkssgtsypdvlkclkapilsdsscksaypgqitsnmfcagyleggkdscqgdsggp vvcsgklqgivswgsgcaqknkpgvytkvcnyvswikqtiasn