Chains and heterogens:
PDB Chain Sequences:
>6kx4A (A:) gtmgvnavhwfrkglrlhdnpalkeciqgadtircvyildpwfagssnvginrwrfllqc ledldanlrklnsrlfvirgqpadvfprlfkewnitklsieydsepfgkerdaaikklat eagvevivrishtlydldkiielnggqppltykrfqtlvskmeplempadtitsdvigkc mtplsddhdekygvpsleelgfdtdglssavwpggetealtrlerhlerkawvanferpr mnansllasptglspylrfgclscrlfyfkltdlykkvkknsspplslygqllwreffyt aatnnprfdkmegnpicvqipwdknpealakwaegrtgfpwidaimtqlrqegwihhlar havacfltrgdlwisweegmkvfeellldadwsinagswmwlscssffqqffhcycpvgf grrtdpngdyirrylpvlrgfpakyiydpwnapegiqkvakcligvnypkpmvnhaeasr lniermkqiyqqlsryrg
>6kx4A (A:) gvnavhwfrkglrlhdnpalkeciqgadtircvyildginrwrfllqcledldanlrkln srlfvirgqpadvfprlfkewnitklsieydsepfgkerdaaikklateagvevivrish tlydldkiielnggqppltykrfqtlvskmeplempadtitsdvigkcmtplsddhdeky gvpsleelgfdtlssavwpggetealtrlerhlerkarmnansllasptglspylrfgcl scrlfyfkltdlykkvkknsspplslygqllwreffytaatnnprfdkmegnpicvqipw dknpealakwaegrtgfpwidaimtqlrqegwihhlarhavacfltrgdlwisweegmkv feellldadwsinagswmwlscssffqqffhcycpvgfgrrtdpngdyirrylpvlrgfp akyiydpwnapegiqkvakcligvnypkpmvnhaeasrlniermkqiyqql