Analysis of interatomic Contacts of Structural Units in PDB entry:
7NI1

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 7NI1 entry

There are 6 chains in PDB entry 7NI1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	CYS 1	ALA 104
B	CYS 1	PRO 103
C	ASN 114	SER 149
C	PRO 151	GLU 577
D	ASN 114	SER 149
D	PRO 151	GLU 577

There are 53 helices in PDB entry 7NI1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	60	69	Right-handed alpha
Helix 2	AA2	A	72	76	Right-handed 310
Helix 3	AA3	A	84	98	Right-handed alpha
Helix 4	AA4	B	60	69	Right-handed alpha
Helix 5	AA5	B	72	76	Right-handed 310
Helix 6	AA6	B	84	98	Right-handed alpha
Helix 7	AA7	C	173	178	Right-handed alpha
Helix 8	AA8	C	180	187	Right-handed alpha
Helix 9	AA9	C	220	225	Right-handed alpha
Helix 10	AB1	C	243	268	Right-handed alpha
Helix 11	AB2	C	272	295	Right-handed alpha
Helix 12	AB3	C	296	310	Right-handed alpha
Helix 13	AB4	C	325	332	Right-handed alpha
Helix 14	AB5	C	333	339	Right-handed 310
Helix 15	AB6	C	362	364	Right-handed 310
Helix 16	AB7	C	368	374	Right-handed alpha
Helix 17	AB8	C	377	387	Right-handed alpha
Helix 18	AB9	C	399	404	Right-handed alpha
Helix 19	AC1	C	416	428	Right-handed alpha
Helix 20	AC2	C	432	440	Right-handed alpha
Helix 21	AC3	C	447	456	Right-handed alpha
Helix 22	AC4	C	457	469	Right-handed alpha
Helix 23	AC5	C	470	474	Right-handed 310
Helix 24	AC6	C	475	483	Right-handed alpha
Helix 25	AC7	C	492	509	Right-handed alpha
Helix 26	AC8	C	521	529	Right-handed alpha
Helix 27	AC9	C	532	541	Right-handed alpha
Helix 28	AD1	C	565	567	Right-handed 310
Helix 29	AD2	C	572	576	Right-handed 310
Helix 30	AD3	D	173	178	Right-handed alpha
Helix 31	AD4	D	180	187	Right-handed alpha
Helix 32	AD5	D	220	225	Right-handed 310
Helix 33	AD6	D	243	268	Right-handed alpha
Helix 34	AD7	D	272	295	Right-handed alpha
Helix 35	AD8	D	296	310	Right-handed alpha
Helix 36	AD9	D	325	332	Right-handed alpha
Helix 37	AE1	D	333	339	Right-handed 310
Helix 38	AE2	D	362	364	Right-handed 310
Helix 39	AE3	D	367	374	Right-handed alpha
Helix 40	AE4	D	377	387	Right-handed alpha
Helix 41	AE5	D	399	404	Right-handed alpha
Helix 42	AE6	D	407	411	Right-handed 310
Helix 43	AE7	D	416	428	Right-handed alpha
Helix 44	AE8	D	432	440	Right-handed alpha
Helix 45	AE9	D	447	456	Right-handed alpha
Helix 46	AF1	D	457	469	Right-handed alpha
Helix 47	AF2	D	470	474	Right-handed 310
Helix 48	AF3	D	475	483	Right-handed alpha
Helix 49	AF4	D	492	509	Right-handed alpha
Helix 50	AF5	D	521	529	Right-handed alpha
Helix 51	AF6	D	532	541	Right-handed alpha
Helix 52	AF7	D	565	567	Right-handed 310
Helix 53	AF8	D	572	576	Right-handed 310

There are 10 sheets in PDB entry 7NI1. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1,

There are 2 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	27	28	first strand
Strand 2	C	164	165	anti-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	A	78	83	first strand
Strand 2	C	388	390	anti-parallel

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There are 2 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	27	28	first strand
Strand 2	D	164	165	anti-parallel

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There are 2 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	78	83	first strand
Strand 2	D	388	390	anti-parallel

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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	128	129	first strand
Strand 2	C	143	144	anti-parallel

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There are 2 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	342	344	first strand
Strand 2	C	358	360	anti-parallel

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There are 2 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	545	547	first strand
Strand 2	C	561	563	anti-parallel

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There are 2 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	128	129	first strand
Strand 2	D	143	144	anti-parallel

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There are 2 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	342	344	first strand
Strand 2	D	358	360	anti-parallel

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There are 2 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	545	547	first strand
Strand 2	D	561	563	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: 7NI1

Analysis of interatomic Contacts of Structural Units in PDB entry:
7NI1