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

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 4XEQ entry

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

Chain ID	Initial residue	Terminal residue
A	ALA 37	ARG 339
B	ALA 37	ALA 340
C	GLU 38	ARG 339
D	GLU 38	ARG 339

There are 74 helices in PDB entry 4XEQ. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	50	67	Right-handed alpha
Helix 2	AA2	A	83	94	Right-handed alpha
Helix 3	AA3	A	104	109	Right-handed 310
Helix 4	AA4	A	110	118	Right-handed 310
Helix 5	AA5	A	124	134	Right-handed alpha
Helix 6	AA6	A	134	143	Right-handed alpha
Helix 7	AA7	A	144	147	Right-handed 310
Helix 8	AA8	A	171	176	Right-handed 310
Helix 9	AA9	A	185	195	Right-handed alpha
Helix 10	AB1	A	206	212	Right-handed alpha
Helix 11	AB2	A	221	228	Right-handed alpha
Helix 12	AB3	A	229	233	Right-handed 310
Helix 13	AB4	A	253	258	Right-handed alpha
Helix 14	AB5	A	260	284	Right-handed alpha
Helix 15	AB6	A	285	296	Right-handed alpha
Helix 16	AB7	A	305	314	Right-handed alpha
Helix 17	AB8	A	315	318	Right-handed 310
Helix 18	AB9	A	319	324	Right-handed alpha
Helix 19	AC1	A	324	339	Right-handed alpha
Helix 20	AC2	B	50	68	Right-handed alpha
Helix 21	AC3	B	83	93	Right-handed alpha
Helix 22	AC4	B	104	109	Right-handed 310
Helix 23	AC5	B	110	118	Right-handed 310
Helix 24	AC6	B	124	133	Right-handed alpha
Helix 25	AC7	B	134	144	Right-handed alpha
Helix 26	AC8	B	145	147	Right-handed 310
Helix 27	AC9	B	171	176	Right-handed 310
Helix 28	AD1	B	185	195	Right-handed alpha
Helix 29	AD2	B	206	212	Right-handed alpha
Helix 30	AD3	B	221	228	Right-handed alpha
Helix 31	AD4	B	229	234	Right-handed 310
Helix 32	AD5	B	253	258	Right-handed alpha
Helix 33	AD6	B	260	296	Right-handed alpha
Helix 34	AD7	B	305	314	Right-handed alpha
Helix 35	AD8	B	315	318	Right-handed 310
Helix 36	AD9	B	319	324	Right-handed alpha
Helix 37	AE1	B	324	340	Right-handed alpha
Helix 38	AE2	C	50	68	Right-handed alpha
Helix 39	AE3	C	83	94	Right-handed alpha
Helix 40	AE4	C	104	109	Right-handed 310
Helix 41	AE5	C	110	118	Right-handed 310
Helix 42	AE6	C	124	134	Right-handed alpha
Helix 43	AE7	C	134	144	Right-handed alpha
Helix 44	AE8	C	145	147	Right-handed 310
Helix 45	AE9	C	185	196	Right-handed alpha
Helix 46	AF1	C	206	212	Right-handed alpha
Helix 47	AF2	C	221	228	Right-handed alpha
Helix 48	AF3	C	229	234	Right-handed 310
Helix 49	AF4	C	253	258	Right-handed alpha
Helix 50	AF5	C	260	284	Right-handed alpha
Helix 51	AF6	C	285	296	Right-handed alpha
Helix 52	AF7	C	305	313	Right-handed alpha
Helix 53	AF8	C	314	319	Right-handed 310
Helix 54	AF9	C	320	323	Right-handed 310
Helix 55	AG1	C	324	339	Right-handed alpha
Helix 56	AG2	D	50	67	Right-handed alpha
Helix 57	AG3	D	83	93	Right-handed alpha
Helix 58	AG4	D	104	107	Right-handed 310
Helix 59	AG5	D	110	118	Right-handed 310
Helix 60	AG6	D	124	134	Right-handed alpha
Helix 61	AG7	D	134	144	Right-handed alpha
Helix 62	AG8	D	145	147	Right-handed 310
Helix 63	AG9	D	171	176	Right-handed 310
Helix 64	AH1	D	185	195	Right-handed alpha
Helix 65	AH2	D	206	212	Right-handed alpha
Helix 66	AH3	D	221	228	Right-handed alpha
Helix 67	AH4	D	229	233	Right-handed 310
Helix 68	AH5	D	253	259	Right-handed alpha
Helix 69	AH6	D	260	285	Right-handed alpha
Helix 70	AH7	D	285	296	Right-handed alpha
Helix 71	AH8	D	305	313	Right-handed alpha
Helix 72	AH9	D	314	318	Right-handed 310
Helix 73	AI1	D	319	324	Right-handed alpha
Helix 74	AI2	D	324	339	Right-handed alpha

There are 12 sheets in PDB entry 4XEQ. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3,

There are 5 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	71	76	first strand
Strand 2	A	38	43	parallel
Strand 3	A	98	102	parallel
Strand 4	A	244	252	anti-parallel
Strand 5	A	149	159	anti-parallel

Back to list of sheets
Back to top of page

There are 4 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	217	220	first strand
Strand 2	A	161	164	anti-parallel
Strand 3	A	236	238	anti-parallel
Strand 4	A	299	301	parallel

Back to list of sheets
Back to top of page

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	A	181	182	first strand
Strand 2	A	200	201	parallel

Back to list of sheets
Back to top of page

There are 6 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	71	76	first strand
Strand 2	B	38	43	parallel
Strand 3	B	98	102	parallel
Strand 4	B	236	252	anti-parallel
Strand 5	B	149	164	anti-parallel
Strand 6	B	217	220	anti-parallel

Back to list of sheets
Back to top of page

There are 5 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	71	76	first strand
Strand 2	B	38	43	parallel
Strand 3	B	98	102	parallel
Strand 4	B	236	252	anti-parallel
Strand 5	B	299	301	parallel

Back to list of sheets
Back to top of page

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	B	181	182	first strand
Strand 2	B	200	201	parallel

Back to list of sheets
Back to top of page

There are 6 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	72	76	first strand
Strand 2	C	39	43	parallel
Strand 3	C	98	102	parallel
Strand 4	C	236	252	anti-parallel
Strand 5	C	149	164	anti-parallel
Strand 6	C	217	220	anti-parallel

Back to list of sheets
Back to top of page

There are 5 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	72	76	first strand
Strand 2	C	39	43	parallel
Strand 3	C	98	102	parallel
Strand 4	C	236	252	anti-parallel
Strand 5	C	299	301	parallel

Back to list of sheets
Back to top of page

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	C	181	182	first strand
Strand 2	C	200	201	parallel

Back to list of sheets
Back to top of page

There are 5 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	72	76	first strand
Strand 2	D	39	43	parallel
Strand 3	D	98	102	parallel
Strand 4	D	244	252	anti-parallel
Strand 5	D	149	159	anti-parallel

Back to list of sheets
Back to top of page

There are 4 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	217	220	first strand
Strand 2	D	161	164	anti-parallel
Strand 3	D	236	238	anti-parallel
Strand 4	D	299	301	parallel

Back to list of sheets
Back to top of page

There are 2 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	181	182	first strand
Strand 2	D	200	201	parallel

Back to list of sheets
Back to top of page

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

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

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