Analysis of interatomic Contacts of Structural Units in PDB entry:
4DDF

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 4DDF entry

There are 8 chains in PDB entry 4DDF (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 2	GLY 184
B	SER 2	GLY 184
C	SER 2	GLY 184
D	SER 2	GLY 184
E	SER 2	GLY 184
F	SER 2	GLY 184
G	SER 2	GLY 184
H	SER 2	LYS 117

There are 72 helices in PDB entry 4DDF. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	12	27	Right-handed alpha
Helix 2	2	A	50	65	Right-handed alpha
Helix 3	3	A	80	87	Right-handed alpha
Helix 4	4	A	104	118	Right-handed alpha
Helix 5	5	A	143	161	Right-handed alpha
Helix 6	6	A	174	184	Right-handed alpha
Helix 7	7	B	12	27	Right-handed alpha
Helix 8	8	B	50	65	Right-handed alpha
Helix 9	9	B	80	87	Right-handed alpha
Helix 10	10	B	104	119	Right-handed alpha
Helix 11	11	B	143	161	Right-handed alpha
Helix 12	12	B	174	183	Right-handed alpha
Helix 13	13	C	12	27	Right-handed alpha
Helix 14	14	C	50	65	Right-handed alpha
Helix 15	15	C	80	87	Right-handed alpha
Helix 16	16	C	104	119	Right-handed alpha
Helix 17	17	C	143	161	Right-handed alpha
Helix 18	18	C	174	182	Right-handed alpha
Helix 19	19	D	12	27	Right-handed alpha
Helix 20	20	D	50	65	Right-handed alpha
Helix 21	21	D	80	87	Right-handed alpha
Helix 22	22	D	104	119	Right-handed alpha
Helix 23	23	D	143	161	Right-handed alpha
Helix 24	24	D	174	184	Right-handed alpha
Helix 25	25	E	12	27	Right-handed alpha
Helix 26	26	E	49	65	Right-handed alpha
Helix 27	27	E	80	87	Right-handed alpha
Helix 28	28	E	104	118	Right-handed alpha
Helix 29	29	E	143	161	Right-handed alpha
Helix 30	30	E	176	184	Right-handed alpha
Helix 31	31	F	12	27	Right-handed alpha
Helix 32	32	F	50	65	Right-handed alpha
Helix 33	33	F	80	87	Right-handed alpha
Helix 34	34	F	104	119	Right-handed alpha
Helix 35	35	F	143	161	Right-handed alpha
Helix 36	36	F	176	184	Right-handed alpha
Helix 37	37	G	12	27	Right-handed alpha
Helix 38	38	G	50	65	Right-handed alpha
Helix 39	39	G	80	87	Right-handed alpha
Helix 40	40	G	104	118	Right-handed alpha
Helix 41	41	G	143	161	Right-handed alpha
Helix 42	42	G	174	184	Right-handed alpha
Helix 43	43	H	12	27	Right-handed alpha
Helix 44	44	H	50	65	Right-handed alpha
Helix 45	45	H	80	87	Right-handed alpha
Helix 46	46	H	104	119	Right-handed alpha
Helix 47	47	H	143	161	Right-handed alpha
Helix 48	48	H	174	184	Right-handed alpha
Helix 49	49	I	12	27	Right-handed alpha
Helix 50	50	I	50	65	Right-handed alpha
Helix 51	51	I	80	87	Right-handed alpha
Helix 52	52	I	104	118	Right-handed alpha
Helix 53	53	I	143	161	Right-handed alpha
Helix 54	54	I	174	184	Right-handed alpha
Helix 55	55	J	12	27	Right-handed alpha
Helix 56	56	J	50	65	Right-handed alpha
Helix 57	57	J	80	87	Right-handed alpha
Helix 58	58	J	104	119	Right-handed alpha
Helix 59	59	J	143	161	Right-handed alpha
Helix 60	60	J	174	184	Right-handed alpha
Helix 61	61	K	12	27	Right-handed alpha
Helix 62	62	K	50	65	Right-handed alpha
Helix 63	63	K	80	87	Right-handed alpha
Helix 64	64	K	104	119	Right-handed alpha
Helix 65	65	K	143	161	Right-handed alpha
Helix 66	66	K	174	183	Right-handed alpha
Helix 67	67	L	12	27	Right-handed alpha
Helix 68	68	L	50	65	Right-handed alpha
Helix 69	69	L	80	87	Right-handed alpha
Helix 70	70	L	104	119	Right-handed alpha
Helix 71	71	L	143	161	Right-handed alpha
Helix 72	72	L	174	184	Right-handed alpha

There are 24 sheets in PDB entry 4DDF. 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,

There are 4 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	30	36	first strand
Strand 2	A	42	49	anti-parallel
Strand 3	A	3	10	anti-parallel
Strand 4	A	68	77	anti-parallel

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There are 4 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	122	128	first strand
Strand 2	A	135	142	anti-parallel
Strand 3	A	96	103	anti-parallel
Strand 4	A	164	170	anti-parallel

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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	29	36	first strand
Strand 2	B	42	49	anti-parallel
Strand 3	B	3	10	anti-parallel
Strand 4	B	68	77	anti-parallel

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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	122	128	first strand
Strand 2	B	135	142	anti-parallel
Strand 3	B	96	103	anti-parallel
Strand 4	B	164	170	anti-parallel

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There are 4 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	30	36	first strand
Strand 2	C	42	49	anti-parallel
Strand 3	C	3	10	anti-parallel
Strand 4	C	68	77	anti-parallel

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There are 4 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	122	128	first strand
Strand 2	C	135	142	anti-parallel
Strand 3	C	96	103	anti-parallel
Strand 4	C	164	170	anti-parallel

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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	30	36	first strand
Strand 2	D	42	49	anti-parallel
Strand 3	D	3	10	anti-parallel
Strand 4	D	68	77	anti-parallel

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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	122	128	first strand
Strand 2	D	135	142	anti-parallel
Strand 3	D	96	103	anti-parallel
Strand 4	D	164	170	anti-parallel

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There are 4 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	30	36	first strand
Strand 2	E	42	48	anti-parallel
Strand 3	E	3	10	anti-parallel
Strand 4	E	68	77	anti-parallel

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There are 4 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	122	128	first strand
Strand 2	E	135	142	anti-parallel
Strand 3	E	96	103	anti-parallel
Strand 4	E	164	170	anti-parallel

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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	30	36	first strand
Strand 2	F	42	49	anti-parallel
Strand 3	F	3	10	anti-parallel
Strand 4	F	68	77	anti-parallel

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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	122	128	first strand
Strand 2	F	135	142	anti-parallel
Strand 3	F	96	103	anti-parallel
Strand 4	F	164	170	anti-parallel

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There are 4 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	30	36	first strand
Strand 2	G	42	49	anti-parallel
Strand 3	G	3	10	anti-parallel
Strand 4	G	68	77	anti-parallel

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There are 4 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	122	128	first strand
Strand 2	G	135	142	anti-parallel
Strand 3	G	96	103	anti-parallel
Strand 4	G	164	170	anti-parallel

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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	30	36	first strand
Strand 2	H	42	49	anti-parallel
Strand 3	H	3	10	anti-parallel
Strand 4	H	68	77	anti-parallel

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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	122	128	first strand
Strand 2	H	135	142	anti-parallel
Strand 3	H	96	103	anti-parallel
Strand 4	H	164	170	anti-parallel

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There are 4 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	30	36	first strand
Strand 2	I	42	49	anti-parallel
Strand 3	I	3	10	anti-parallel
Strand 4	I	68	77	anti-parallel

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There are 4 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	122	128	first strand
Strand 2	I	135	142	anti-parallel
Strand 3	I	96	103	anti-parallel
Strand 4	I	164	170	anti-parallel

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There are 4 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	29	36	first strand
Strand 2	J	42	49	anti-parallel
Strand 3	J	3	10	anti-parallel
Strand 4	J	68	77	anti-parallel

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There are 4 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	122	128	first strand
Strand 2	J	135	142	anti-parallel
Strand 3	J	96	103	anti-parallel
Strand 4	J	164	170	anti-parallel

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There are 4 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	30	36	first strand
Strand 2	K	42	49	anti-parallel
Strand 3	K	3	10	anti-parallel
Strand 4	K	68	77	anti-parallel

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There are 4 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	122	128	first strand
Strand 2	K	135	141	anti-parallel
Strand 3	K	97	103	anti-parallel
Strand 4	K	164	170	anti-parallel

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There are 4 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	30	36	first strand
Strand 2	L	42	49	anti-parallel
Strand 3	L	3	10	anti-parallel
Strand 4	L	68	77	anti-parallel

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There are 4 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	122	128	first strand
Strand 2	L	135	142	anti-parallel
Strand 3	L	96	103	anti-parallel
Strand 4	L	164	170	anti-parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 4DDF

Analysis of interatomic Contacts of Structural Units in PDB entry:
4DDF