Chains and heterogens:
PDB Chain Sequences:
>7cnlA (A:) gqdrtiassrlrlleysafmevqrdpdtyskhlfvhigqtnpafsdppleavdvrqiydk fpekkgglkelyekgppnafflvkfwadlnstiqegpgafygvssqyssadsmtisvstk vcsfgkqvvekveteyarlengrfvyrihrspmceyminfihklkhlpekymmnsvlenf tilqvvtsrdsqetllviafvfevstsehgaqhhvyklvkd
>7cnlA (A:) tiassrlrlleysafmevqrdpdtyskhlfvhigdppleavdvrqiydkfpekkgglkel yekgppnafflvkfwadlnstiqegpgafygvssqyssadsmtisvstkvcsfgkqvvek veteyarlengrfvyrihrspmceyminfihklkhlpekymmnsvlenftilqvvtsrds qetllviafvfevstsehgaqhhvyklvkd
>7cnlB (B:) gqdrtiassrlrlleysafmevqrdpdtyskhlfvhigqtnpafsdppleavdvrqiydk fpekkgglkelyekgppnafflvkfwadlnstiqegpgafygvssqyssadsmtisvstk vcsfgkqvvekveteyarlengrfvyrihrspmceyminfihklkhlpekymmnsvlenf tilqvvtsrdsqetllviafvfevstsehgaqhhvyklvkd
>7cnlB (B:) rtiassrlrlleysafmevqrdpdtyskhlfvhigqtnpafsdppleavdvrqiydkfpe kkgglkelyekgppnafflvkfwadlnstiqegpgafygvssqyssadsmtisvstkvcs fgkqvvekveteyarlengrfvyrihrspmceyminfihklkhlpekymmnsvlenftil qvvtsrdsqetllviafvfevstsehgaqhhvyklvkd
>7cnlC (C:) gqdrtiassrlrlleysafmevqrdpdtyskhlfvhigqtnpafsdppleavdvrqiydk fpekkgglkelyekgppnafflvkfwadlnstiqegpgafygvssqyssadsmtisvstk vcsfgkqvvekveteyarlengrfvyrihrspmceyminfihklkhlpekymmnsvlenf tilqvvtsrdsqetllviafvfevstsehgaqhhvyklvkd
>7cnlC (C:) rtiassrlrlleysafmevqrdpdtyskhlfvhigqdppleavdvrqiydkfpekkgglk elyekgppnafflvkfwadlnspgafygvssqyssadsmtisvstkvcsfgkqvvekvet eyarlengrfvyrihrspmceyminfihklkhlpekymmnsvlenftilqvvtsrdsqet llviafvfevstsehgaqhhvyklvk
>7cnlD (D:) gqdrtiassrlrlleysafmevqrdpdtyskhlfvhigqtnpafsdppleavdvrqiydk fpekkgglkelyekgppnafflvkfwadlnstiqegpgafygvssqyssadsmtisvstk vcsfgkqvvekveteyarlengrfvyrihrspmceyminfihklkhlpekymmnsvlenf tilqvvtsrdsqetllviafvfevstsehgaqhhvyklvkd
>7cnlD (D:) rtiassrlrlleysafmevqrdpdtyskhlfvhigppleavdvrqiydkfpekkgglkel yekgppnafflvkfwadlnstiqegpgafygvssqyssadsmtisvstkvcsfgkqvvek veteyarlengrfvyrihrspmceyminfihklkhlpekymmnsvlenftilqvvtsrds qetllviafvfevstsehgaqhhvyklvkd