Chains and heterogens:
PDB Chain Sequences:
>1sgjA (A:) mnappallrsvlfapgnradliaklprsapdavvidledavpgtaeakaaarpvahdaar dliaaaphlavfvrvnalhspyfeddlsvltpelsgvvvpklemgaearqvaqmlqersl plpilagletgagvwnareimevpevawayfgaedyttdlggkrtpgglevlyarsqval aarltgvaaldivvtalndpetfradaeqgralgysgklcihpaqvalaheyfgpteadr araralldaaaaaaqrghgafsfegqmvdepmlakartllshea
>1sgjA (A:) ppallrsvlfapgnradliaklprsapdavvidledavpgtaeakaaarpvahdaardli aaaphlavfvrvnalhspyfeddlsvltpelsgvvvpklemgaearqvaqmlqerslplp ilagletgagvwnareimevpevawayfgaedyttdlggkrtpgglevlyarsqvalaar ltgvaaldivvtalndpetfradaeqgralgysgklcihpaqvalaheyfg