Analysis of interatomic Contacts of Structural Units in PDB entry:
7LD3

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 7LD3 entry

There are 4 chains in PDB entry 7LD3 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 11	PHE 355
R	SER 4	LYS 301
B	LEU 4	ASN 340
G	SER 8	GLU 63

There are 28 helices in PDB entry 7LD3. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	11	30	Right-handed alpha
Helix 2	AA2	A	45	53	Right-handed alpha
Helix 3	AA3	A	208	217	Right-handed 310
Helix 4	AA4	A	229	232	Right-handed 310
Helix 5	AA5	A	242	256	Right-handed alpha
Helix 6	AA6	A	271	282	Right-handed alpha
Helix 7	AA7	A	296	310	Right-handed alpha
Helix 8	AA8	A	328	353	Right-handed alpha
Helix 9	AA9	R	6	36	Right-handed alpha
Helix 10	AB1	R	42	62	Right-handed alpha
Helix 11	AB2	R	62	72	Right-handed alpha
Helix 12	AB3	R	77	111	Right-handed alpha
Helix 13	AB4	R	120	140	Right-handed alpha
Helix 14	AB5	R	141	144	Right-handed 310
Helix 15	AB6	R	148	160	Right-handed alpha
Helix 16	AB7	R	170	175	Right-handed alpha
Helix 17	AB8	R	176	183	Right-handed alpha
Helix 18	AB9	R	184	189	Right-handed alpha
Helix 19	AC1	R	189	211	Right-handed alpha
Helix 20	AC2	R	225	260	Right-handed alpha
Helix 21	AC3	R	266	279	Right-handed alpha
Helix 22	AC4	R	283	288	Right-handed alpha
Helix 23	AC5	R	292	300	Right-handed alpha
Helix 24	AC6	B	5	25	Right-handed alpha
Helix 25	AC7	B	29	34	Right-handed alpha
Helix 26	AC8	G	9	24	Right-handed alpha
Helix 27	AC9	G	29	44	Right-handed alpha
Helix 28	AD1	G	45	48	Right-handed 310

There are 9 sheets in PDB entry 7LD3. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9,

There are 6 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	186	192	first strand
Strand 2	A	195	201	anti-parallel
Strand 3	A	33	40	parallel
Strand 4	A	221	227	parallel
Strand 5	A	264	270	parallel
Strand 6	A	320	324	parallel

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There are 2 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	74	76	first strand
Strand 2	R	166	168	anti-parallel

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There are 4 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	47	51	first strand
Strand 2	B	336	339	anti-parallel
Strand 3	B	327	331	anti-parallel
Strand 4	B	315	320	anti-parallel

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There are 4 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	58	63	first strand
Strand 2	B	69	74	anti-parallel
Strand 3	B	78	83	anti-parallel
Strand 4	B	89	94	anti-parallel

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There are 4 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	100	105	first strand
Strand 2	B	111	116	anti-parallel
Strand 3	B	121	125	anti-parallel
Strand 4	B	134	139	anti-parallel

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There are 4 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	146	151	first strand
Strand 2	B	156	161	anti-parallel
Strand 3	B	166	170	anti-parallel
Strand 4	B	175	180	anti-parallel

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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	187	192	first strand
Strand 2	B	198	203	anti-parallel
Strand 3	B	208	212	anti-parallel
Strand 4	B	217	222	anti-parallel

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There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	229	234	first strand
Strand 2	B	240	245	anti-parallel
Strand 3	B	250	254	anti-parallel
Strand 4	B	259	264	anti-parallel

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There are 4 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	273	278	first strand
Strand 2	B	284	289	anti-parallel
Strand 3	B	294	298	anti-parallel
Strand 4	B	304	308	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: 7LD3

Analysis of interatomic Contacts of Structural Units in PDB entry:
7LD3