Chains and heterogens:
PDB Chain Sequences:
>1ps1A (A:) mpqdvdfhiplpgrqspdharaeaeqlawprslglirsdaaaerhlrggyadlasrfyph atgadldlgvdlmswfflfddlfdgprgenpedtkqltdqvaaaldgplpdtappiahgf adiwrrtcegmtpawcarsarhwrnyfdgyvdeaesrfwnapcdsaaqylamrrhtigvq ptvdlaeragrfevphrvfdsavmsamlqiavdvnlllndiaslekeeargeqnnmvmil rrehgwsksrsvshmqnevrarleqylllesclpkvgeiyqldtaerealeryrtdavrt virgsydwhrssgrydaefalaagaqgyleelgssah
>1ps1A (A:) qdvdfhiplpgrqspdharaeaeqlawprslglirsdaaaerhlrggyadlasrfyphat gadldlgvdlmswfflfddlfdgprgenpedtkqltdqvaaaldgplpdtappiahgfad iwrrtcegmtpawcarsarhwrnyfdgyvdeaesrsaaqylamrrhtigvqptvdlaera grfevphrvfdsavmsamlqiavdvnlllndiaslekeeargeqnnmvmilrrehgwsks rsvshmqnevrarleqylllesclpkvgeiyqldtaerealeryrtdavrtvirgsydwh rssg
>1ps1B (B:) mpqdvdfhiplpgrqspdharaeaeqlawprslglirsdaaaerhlrggyadlasrfyph atgadldlgvdlmswfflfddlfdgprgenpedtkqltdqvaaaldgplpdtappiahgf adiwrrtcegmtpawcarsarhwrnyfdgyvdeaesrfwnapcdsaaqylamrrhtigvq ptvdlaeragrfevphrvfdsavmsamlqiavdvnlllndiaslekeeargeqnnmvmil rrehgwsksrsvshmqnevrarleqylllesclpkvgeiyqldtaerealeryrtdavrt virgsydwhrssgrydaefalaagaqgyleelgssah
>1ps1B (B:) qdvdfhiplpgrqspdharaeaeqlawprslglirsdaaaerhlrggyadlasrfyphat gadldlgvdlmswfflfddlfdgprgenpedtkqltdqvaaaldgplpdtappiahgfad iwrrtcegmtpawcarsarhwrnyfdgyvdeaesrsaaqylamrrhtigvqptvdlaera grfevphrvfdsavmsamlqiavdvnlllndiaslekeeargeqnnmvmilrrehgwsks rsvshmqnevrarleqylllesclpkvgeiyqldtaerealeryrtdavrtvirgsydwh rssg