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select ligand

ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1ql4-A-101	`sad. -0.30 ruf. -0.49 dom. -0.10 bre. -0.14`	HIS	chainID: A, resSeq: 18, molecule: CYTOCHROME C552	electron transporter oligomeric count: 1 pocket vol.: 317.0 Å³ d(Fe-oop): 0.002 Å
1ql4-A-101	`sad. -0.30 ruf. -0.49 dom. -0.10 bre. -0.14`	MET	chainID: A, resSeq: 78, molecule: CYTOCHROME C552
1ql4-B-101	`sad. -0.16 ruf. -0.44 dom. -0.06 bre. -0.21`	HIS	chainID: B, resSeq: 18, molecule: CYTOCHROME C552	electron transporter oligomeric count: 1 pocket vol.: 336.0 Å³ d(Fe-oop): 0.003 Å
1ql4-B-101	`sad. -0.16 ruf. -0.44 dom. -0.06 bre. -0.21`	MET	chainID: B, resSeq: 78, molecule: CYTOCHROME C552
1ql4-C-101	`sad. -0.09 ruf. -0.41 dom. -0.20 bre. -0.24`	HIS	chainID: C, resSeq: 18, molecule: CYTOCHROME C552	electron transporter oligomeric count: 1 pocket vol.: 288.0 Å³ d(Fe-oop): 0.033 Å
1ql4-C-101	`sad. -0.09 ruf. -0.41 dom. -0.20 bre. -0.24`	MET	chainID: C, resSeq: 78, molecule: CYTOCHROME C552
1ql4-D-101	`sad. -0.28 ruf. -0.57 dom. -0.11 bre. -0.14`	HIS	chainID: D, resSeq: 18, molecule: CYTOCHROME C552	electron transporter oligomeric count: 1 pocket vol.: 334.0 Å³ d(Fe-oop): 0.011 Å
1ql4-D-101	`sad. -0.28 ruf. -0.57 dom. -0.11 bre. -0.14`	MET	chainID: D, resSeq: 78, molecule: CYTOCHROME C552