Chains and heterogens:
PDB Chain Sequences:
>4k0rA (A:) mgvnavhwfrkglrlhdnpalkeciqgadtircvyildpwfagssnvginrwrfllqcle dldanlrklnsrlfvirgqpadvfprlfkewnitklsieydsepfgkerdaaikklatea gvevivrishtlydldkiielnggqppltykrfqtlvskmeplempadtitsdvigkcmt plsddhdekygvpsleelgfdtdglssavwpggetealtrlerhlerkawvanferprmn ansllasptglspylrfgclscrlfyfkltdlykkvkknsspplslygqllwreffytaa tnnprfdkmegnpicvqipwdknpealakwaegrtgfpwidaimtqlrqegwihhlarha vacfltrgdlwisweegmkvfeellldadwsinagswmwlscssffqqffhcycpvgfgr rtdpngdyirrylpvlrgfpakyiydpwnapegiqkvakcligvnypkpmvnhaeasrln iermkqiyqqlsryrglgllasvpsnsngngglmgyapgenvpscsssgngglmgyapge nvpscsggncsqgsgilhyahgdsqqthslkqgrssagtglssgkrpsqeedaqsvgpkv qrqssnaaalehhhhhh
>4k0rA (A:) vnavhwfrkglrlhdnpalkeciqgadtircvyildpvginrwrfllqcledldanlrkl nsrlfvirgqpadvfprlfkewnitklsieydsepfgkerdaaikklateagvevivris htlydldkiielnggqppltykrfqtlvskmeplempcmtplsddhdekygvpsleelgf dtlssavwpggetealtrlerhlerkawvanferprsllasptglspylrfgclscrlfy fkltdlykkvkknsspplslygqllwreffytaatnnprfdkmegnpicvqipwdknpea lakwaegrtgfpwidaimtqlrqegwihhlarhavacfltrgdlwisweegmkvfeelll dadwsinagswmwlscssffqqffhcycpvgfgrrtdpngdyirrylpvlrgfpakyiyd pwnapegiqkvakcligvnypkpmvnhaeasrlniermkqiyq