Analysis of interatomic Contacts of Structural Units in PDB entry:
3FLP

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 3FLP entry

There are 14 chains in PDB entry 3FLP (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 1	LEU 217
B	ALA 1	LEU 217
C	ALA 1	LEU 217
D	ALA 1	LEU 217
E	ALA 1	LEU 217
F	ALA 1	LEU 217
G	ALA 1	LEU 217
H	ALA 1	LEU 217
I	ALA 1	LEU 217
J	ALA 1	LEU 217
K	ALA 1	LEU 217
L	ALA 1	LEU 217
M	ALA 1	LEU 217
N	ALA 1	LEU 217

There are 42 helices in PDB entry 3FLP. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	3	5	Right-handed 310
Helix 2	2	A	154	158	Right-handed 310
Helix 3	3	A	174	183	Right-handed alpha
Helix 4	4	B	3	5	Right-handed 310
Helix 5	5	B	154	158	Right-handed 310
Helix 6	6	B	174	183	Right-handed alpha
Helix 7	7	C	3	5	Right-handed 310
Helix 8	8	C	154	158	Right-handed 310
Helix 9	9	C	174	183	Right-handed alpha
Helix 10	10	D	3	5	Right-handed 310
Helix 11	11	D	154	158	Right-handed 310
Helix 12	12	D	174	183	Right-handed alpha
Helix 13	13	E	3	5	Right-handed 310
Helix 14	14	E	154	158	Right-handed 310
Helix 15	15	E	174	183	Right-handed alpha
Helix 16	16	F	3	5	Right-handed 310
Helix 17	17	F	154	158	Right-handed 310
Helix 18	18	F	174	183	Right-handed alpha
Helix 19	19	G	3	5	Right-handed 310
Helix 20	20	G	154	158	Right-handed 310
Helix 21	21	G	174	183	Right-handed alpha
Helix 22	22	H	3	5	Right-handed 310
Helix 23	23	H	154	158	Right-handed 310
Helix 24	24	H	174	183	Right-handed alpha
Helix 25	25	I	3	5	Right-handed 310
Helix 26	26	I	154	158	Right-handed 310
Helix 27	27	I	174	183	Right-handed alpha
Helix 28	28	J	3	5	Right-handed 310
Helix 29	29	J	154	158	Right-handed 310
Helix 30	30	J	174	183	Right-handed alpha
Helix 31	31	K	3	5	Right-handed 310
Helix 32	32	K	154	158	Right-handed 310
Helix 33	33	K	174	183	Right-handed alpha
Helix 34	34	L	3	5	Right-handed 310
Helix 35	35	L	154	158	Right-handed 310
Helix 36	36	L	174	183	Right-handed alpha
Helix 37	37	M	3	5	Right-handed 310
Helix 38	38	M	154	158	Right-handed 310
Helix 39	39	M	174	183	Right-handed alpha
Helix 40	40	N	3	5	Right-handed 310
Helix 41	41	N	154	158	Right-handed 310
Helix 42	42	N	174	183	Right-handed alpha

There are 28 sheets in PDB entry 3FLP. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, AA, AB,

There are 6 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	120	125	first strand
Strand 2	A	112	117	anti-parallel
Strand 3	A	100	107	anti-parallel
Strand 4	A	33	42	anti-parallel
Strand 5	A	161	169	anti-parallel
Strand 6	A	194	195	anti-parallel

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There are 14 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	120	125	first strand
Strand 2	A	112	117	anti-parallel
Strand 3	A	100	107	anti-parallel
Strand 4	A	33	42	anti-parallel
Strand 5	A	161	169	anti-parallel
Strand 6	A	7	11	anti-parallel
Strand 7	A	207	211	anti-parallel
Strand 8	B	201	204	anti-parallel
Strand 9	B	21	24	anti-parallel
Strand 10	B	139	142	anti-parallel
Strand 11	B	48	55	anti-parallel
Strand 12	B	58	68	anti-parallel
Strand 13	B	73	80	anti-parallel
Strand 14	B	86	93	anti-parallel

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There are 14 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	86	93	first strand
Strand 2	A	73	80	anti-parallel
Strand 3	A	58	68	anti-parallel
Strand 4	A	48	55	anti-parallel
Strand 5	A	139	142	anti-parallel
Strand 6	A	21	24	anti-parallel
Strand 7	A	201	204	anti-parallel
Strand 8	B	207	211	anti-parallel
Strand 9	B	7	11	anti-parallel
Strand 10	B	161	169	anti-parallel
Strand 11	B	33	42	anti-parallel
Strand 12	B	100	107	anti-parallel
Strand 13	B	112	117	anti-parallel
Strand 14	B	120	125	anti-parallel

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There are 11 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	86	93	first strand
Strand 2	A	73	80	anti-parallel
Strand 3	A	58	68	anti-parallel
Strand 4	A	48	55	anti-parallel
Strand 5	A	139	142	anti-parallel
Strand 6	A	21	24	anti-parallel
Strand 7	A	201	204	anti-parallel
Strand 8	B	207	211	anti-parallel
Strand 9	B	7	11	anti-parallel
Strand 10	B	161	169	anti-parallel
Strand 11	B	194	195	anti-parallel

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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	120	125	first strand
Strand 2	C	112	117	anti-parallel
Strand 3	C	100	107	anti-parallel
Strand 4	C	33	42	anti-parallel
Strand 5	C	161	169	anti-parallel
Strand 6	C	194	195	anti-parallel

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There are 14 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	120	125	first strand
Strand 2	C	112	117	anti-parallel
Strand 3	C	100	107	anti-parallel
Strand 4	C	33	42	anti-parallel
Strand 5	C	161	169	anti-parallel
Strand 6	C	7	11	anti-parallel
Strand 7	C	207	211	anti-parallel
Strand 8	D	201	204	anti-parallel
Strand 9	D	21	24	anti-parallel
Strand 10	D	139	142	anti-parallel
Strand 11	D	48	55	anti-parallel
Strand 12	D	58	68	anti-parallel
Strand 13	D	73	80	anti-parallel
Strand 14	D	86	93	anti-parallel

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There are 14 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	86	93	first strand
Strand 2	C	73	80	anti-parallel
Strand 3	C	58	68	anti-parallel
Strand 4	C	48	55	anti-parallel
Strand 5	C	139	142	anti-parallel
Strand 6	C	21	24	anti-parallel
Strand 7	C	201	204	anti-parallel
Strand 8	D	207	211	anti-parallel
Strand 9	D	7	11	anti-parallel
Strand 10	D	161	169	anti-parallel
Strand 11	D	33	42	anti-parallel
Strand 12	D	100	107	anti-parallel
Strand 13	D	112	117	anti-parallel
Strand 14	D	120	125	anti-parallel

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There are 11 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	86	93	first strand
Strand 2	C	73	80	anti-parallel
Strand 3	C	58	68	anti-parallel
Strand 4	C	48	55	anti-parallel
Strand 5	C	139	142	anti-parallel
Strand 6	C	21	24	anti-parallel
Strand 7	C	201	204	anti-parallel
Strand 8	D	207	211	anti-parallel
Strand 9	D	7	11	anti-parallel
Strand 10	D	161	169	anti-parallel
Strand 11	D	194	195	anti-parallel

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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	120	125	first strand
Strand 2	E	112	117	anti-parallel
Strand 3	E	100	107	anti-parallel
Strand 4	E	33	42	anti-parallel
Strand 5	E	161	169	anti-parallel
Strand 6	E	194	195	anti-parallel

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There are 14 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	120	125	first strand
Strand 2	E	112	117	anti-parallel
Strand 3	E	100	107	anti-parallel
Strand 4	E	33	42	anti-parallel
Strand 5	E	161	169	anti-parallel
Strand 6	E	7	11	anti-parallel
Strand 7	E	207	211	anti-parallel
Strand 8	F	201	204	anti-parallel
Strand 9	F	21	24	anti-parallel
Strand 10	F	139	142	anti-parallel
Strand 11	F	48	55	anti-parallel
Strand 12	F	58	68	anti-parallel
Strand 13	F	73	80	anti-parallel
Strand 14	F	86	93	anti-parallel

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There are 14 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	86	93	first strand
Strand 2	E	73	80	anti-parallel
Strand 3	E	58	68	anti-parallel
Strand 4	E	48	55	anti-parallel
Strand 5	E	139	142	anti-parallel
Strand 6	E	21	24	anti-parallel
Strand 7	E	201	204	anti-parallel
Strand 8	F	207	211	anti-parallel
Strand 9	F	7	11	anti-parallel
Strand 10	F	161	169	anti-parallel
Strand 11	F	33	42	anti-parallel
Strand 12	F	100	107	anti-parallel
Strand 13	F	112	117	anti-parallel
Strand 14	F	120	125	anti-parallel

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There are 11 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	86	93	first strand
Strand 2	E	73	80	anti-parallel
Strand 3	E	58	68	anti-parallel
Strand 4	E	48	55	anti-parallel
Strand 5	E	139	142	anti-parallel
Strand 6	E	21	24	anti-parallel
Strand 7	E	201	204	anti-parallel
Strand 8	F	207	211	anti-parallel
Strand 9	F	7	11	anti-parallel
Strand 10	F	161	169	anti-parallel
Strand 11	F	194	195	anti-parallel

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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	120	125	first strand
Strand 2	G	112	117	anti-parallel
Strand 3	G	100	107	anti-parallel
Strand 4	G	33	42	anti-parallel
Strand 5	G	161	169	anti-parallel
Strand 6	G	194	195	anti-parallel

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There are 14 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	120	125	first strand
Strand 2	G	112	117	anti-parallel
Strand 3	G	100	107	anti-parallel
Strand 4	G	33	42	anti-parallel
Strand 5	G	161	169	anti-parallel
Strand 6	G	7	11	anti-parallel
Strand 7	G	207	211	anti-parallel
Strand 8	H	201	204	anti-parallel
Strand 9	H	21	24	anti-parallel
Strand 10	H	139	142	anti-parallel
Strand 11	H	48	55	anti-parallel
Strand 12	H	58	68	anti-parallel
Strand 13	H	73	80	anti-parallel
Strand 14	H	86	93	anti-parallel

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There are 14 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	86	93	first strand
Strand 2	G	73	80	anti-parallel
Strand 3	G	58	68	anti-parallel
Strand 4	G	48	55	anti-parallel
Strand 5	G	139	142	anti-parallel
Strand 6	G	21	24	anti-parallel
Strand 7	G	201	204	anti-parallel
Strand 8	H	207	211	anti-parallel
Strand 9	H	7	11	anti-parallel
Strand 10	H	161	169	anti-parallel
Strand 11	H	33	42	anti-parallel
Strand 12	H	100	107	anti-parallel
Strand 13	H	112	117	anti-parallel
Strand 14	H	120	125	anti-parallel

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There are 11 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	86	93	first strand
Strand 2	G	73	80	anti-parallel
Strand 3	G	58	68	anti-parallel
Strand 4	G	48	55	anti-parallel
Strand 5	G	139	142	anti-parallel
Strand 6	G	21	24	anti-parallel
Strand 7	G	201	204	anti-parallel
Strand 8	H	207	211	anti-parallel
Strand 9	H	7	11	anti-parallel
Strand 10	H	161	169	anti-parallel
Strand 11	H	194	195	anti-parallel

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There are 6 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	120	125	first strand
Strand 2	I	112	117	anti-parallel
Strand 3	I	100	107	anti-parallel
Strand 4	I	33	42	anti-parallel
Strand 5	I	161	169	anti-parallel
Strand 6	I	194	195	anti-parallel

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There are 14 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	120	125	first strand
Strand 2	I	112	117	anti-parallel
Strand 3	I	100	107	anti-parallel
Strand 4	I	33	42	anti-parallel
Strand 5	I	161	169	anti-parallel
Strand 6	I	7	11	anti-parallel
Strand 7	I	207	211	anti-parallel
Strand 8	J	201	204	anti-parallel
Strand 9	J	21	24	anti-parallel
Strand 10	J	139	142	anti-parallel
Strand 11	J	48	55	anti-parallel
Strand 12	J	58	68	anti-parallel
Strand 13	J	73	80	anti-parallel
Strand 14	J	86	93	anti-parallel

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There are 14 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	86	93	first strand
Strand 2	I	73	80	anti-parallel
Strand 3	I	58	68	anti-parallel
Strand 4	I	48	55	anti-parallel
Strand 5	I	139	142	anti-parallel
Strand 6	I	21	24	anti-parallel
Strand 7	I	201	204	anti-parallel
Strand 8	J	207	211	anti-parallel
Strand 9	J	7	11	anti-parallel
Strand 10	J	161	169	anti-parallel
Strand 11	J	33	42	anti-parallel
Strand 12	J	100	107	anti-parallel
Strand 13	J	112	117	anti-parallel
Strand 14	J	120	125	anti-parallel

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There are 11 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	86	93	first strand
Strand 2	I	73	80	anti-parallel
Strand 3	I	58	68	anti-parallel
Strand 4	I	48	55	anti-parallel
Strand 5	I	139	142	anti-parallel
Strand 6	I	21	24	anti-parallel
Strand 7	I	201	204	anti-parallel
Strand 8	J	207	211	anti-parallel
Strand 9	J	7	11	anti-parallel
Strand 10	J	161	169	anti-parallel
Strand 11	J	194	195	anti-parallel

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There are 6 strands in U sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	120	125	first strand
Strand 2	K	112	117	anti-parallel
Strand 3	K	100	107	anti-parallel
Strand 4	K	33	42	anti-parallel
Strand 5	K	161	169	anti-parallel
Strand 6	K	194	195	anti-parallel

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There are 14 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	120	125	first strand
Strand 2	K	112	117	anti-parallel
Strand 3	K	100	107	anti-parallel
Strand 4	K	33	42	anti-parallel
Strand 5	K	161	169	anti-parallel
Strand 6	K	7	11	anti-parallel
Strand 7	K	207	211	anti-parallel
Strand 8	L	201	204	anti-parallel
Strand 9	L	21	24	anti-parallel
Strand 10	L	139	142	anti-parallel
Strand 11	L	48	55	anti-parallel
Strand 12	L	58	68	anti-parallel
Strand 13	L	73	80	anti-parallel
Strand 14	L	86	93	anti-parallel

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There are 14 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	86	93	first strand
Strand 2	K	73	80	anti-parallel
Strand 3	K	58	68	anti-parallel
Strand 4	K	48	55	anti-parallel
Strand 5	K	139	142	anti-parallel
Strand 6	K	21	24	anti-parallel
Strand 7	K	201	204	anti-parallel
Strand 8	L	207	211	anti-parallel
Strand 9	L	7	11	anti-parallel
Strand 10	L	161	169	anti-parallel
Strand 11	L	33	42	anti-parallel
Strand 12	L	100	107	anti-parallel
Strand 13	L	112	117	anti-parallel
Strand 14	L	120	125	anti-parallel

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There are 11 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	86	93	first strand
Strand 2	K	73	80	anti-parallel
Strand 3	K	58	68	anti-parallel
Strand 4	K	48	55	anti-parallel
Strand 5	K	139	142	anti-parallel
Strand 6	K	21	24	anti-parallel
Strand 7	K	201	204	anti-parallel
Strand 8	L	207	211	anti-parallel
Strand 9	L	7	11	anti-parallel
Strand 10	L	161	169	anti-parallel
Strand 11	L	194	195	anti-parallel

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There are 6 strands in Y sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	120	125	first strand
Strand 2	M	112	117	anti-parallel
Strand 3	M	100	107	anti-parallel
Strand 4	M	33	42	anti-parallel
Strand 5	M	161	169	anti-parallel
Strand 6	M	194	195	anti-parallel

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There are 14 strands in Z sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	120	125	first strand
Strand 2	M	112	117	anti-parallel
Strand 3	M	100	107	anti-parallel
Strand 4	M	33	42	anti-parallel
Strand 5	M	161	169	anti-parallel
Strand 6	M	7	11	anti-parallel
Strand 7	M	207	211	anti-parallel
Strand 8	N	201	204	anti-parallel
Strand 9	N	21	24	anti-parallel
Strand 10	N	139	142	anti-parallel
Strand 11	N	48	55	anti-parallel
Strand 12	N	58	68	anti-parallel
Strand 13	N	73	80	anti-parallel
Strand 14	N	86	93	anti-parallel

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There are 14 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	86	93	first strand
Strand 2	M	73	80	anti-parallel
Strand 3	M	58	68	anti-parallel
Strand 4	M	48	55	anti-parallel
Strand 5	M	139	142	anti-parallel
Strand 6	M	21	24	anti-parallel
Strand 7	M	201	204	anti-parallel
Strand 8	N	207	211	anti-parallel
Strand 9	N	7	11	anti-parallel
Strand 10	N	161	169	anti-parallel
Strand 11	N	33	42	anti-parallel
Strand 12	N	100	107	anti-parallel
Strand 13	N	112	117	anti-parallel
Strand 14	N	120	125	anti-parallel

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There are 11 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	86	93	first strand
Strand 2	M	73	80	anti-parallel
Strand 3	M	58	68	anti-parallel
Strand 4	M	48	55	anti-parallel
Strand 5	M	139	142	anti-parallel
Strand 6	M	21	24	anti-parallel
Strand 7	M	201	204	anti-parallel
Strand 8	N	207	211	anti-parallel
Strand 9	N	7	11	anti-parallel
Strand 10	N	161	169	anti-parallel
Strand 11	N	194	195	anti-parallel

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Analysis of interatomic Contacts of Structural Units in PDB entry: 3FLP

Analysis of interatomic Contacts of Structural Units in PDB entry:
3FLP