0.014037
0.000000
0.002731
0.000000
0.013814
0.000000
0.000000
0.000000
0.013944
0.00000
0.00000
0.00000
CIS PROLINE - PRO H 37
Chen, Z.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
101.01
90.00
71.240
72.390
73.060
C2 H4 O
44.053
ACETYL GROUP
non-polymer
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C10 H12 N2 O3
208.214
(2S)-3-(4-carbamimidoylphenyl)-2-hydroxypropanoic acid
non-polymer
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C9 H11 N O6 S
261.252
n
O-SULFO-L-TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
US
Arch.Biochem.Biophys.
ABBIA4
0158
0003-9861
322
198
203
10.1006/abbi.1995.1452
7574675
Crystal structure of human alpha-thrombin complexed with hirugen and p-amidinophenylpyruvate at 1.6 A resolution.
1995
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
x-ray
1
1.0
4096.534
ALPHA-THROMBIN (SMALL SUBUNIT)
3.4.21.5
1
nat
polymer
29780.219
ALPHA-THROMBIN (LARGE SUBUNIT)
3.4.21.5
1
nat
polymer
1632.654
HIRUGEN
1
nat
polymer
208.214
(2S)-3-(4-carbamimidoylphenyl)-2-hydroxypropanoic acid
1
syn
non-polymer
18.015
water
231
nat
water
no
no
TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR
TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR
L
polypeptide(L)
no
no
IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISM
LEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVL
QVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFY
THVFRLKKWIQKVIDQFGE
IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISM
LEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVL
QVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFY
THVFRLKKWIQKVIDQFGE
H
polypeptide(L)
no
yes
(ACE)NEDFEEIPEE(TYS)L
XNEDFEEIPEEYL
I
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
human
Homo
sample
9606
Homo sapiens
PLASMA
human
Homo
sample
9606
Homo sapiens
PLASMA
2.60
52.74
repository
Initial release
Version format compliance
Atomic model
Database references
Derived calculations
Non-polymer description
Structure summary
Version format compliance
Atomic model
1
0
1996-03-17
1
1
2008-03-03
1
2
2011-07-13
1
3
2011-11-16
Y
1995-03-17
REL
APA
(2S)-3-(4-carbamimidoylphenyl)-2-hydroxypropanoic acid
HOH
water
THROMBIN IS CLEAVED BETWEEN RESIDUES 15 AND 16. CHAIN
IDENTIFIER *L* IS USED FOR RESIDUES 1H - 15 AND CHAIN
IDENTIFIER *H* IS USED FOR RESIDUES 16 - 247. CHAIN
IDENTIFIER *I* IS USED FOR HIRUGEN. THE HIRUGEN RESIDUE
NUMBERING CORRESPONDS TO THE C-TERMINAL RESIDUES OF HIRUDIN.
THE C2 ATOM OF P-AMIDINO-PHENYL-PYRUVATE APA401H IS COVALENTLY CONNECTED TO
SER195H SIDE CHAIN ATOM OG, FORMING HEMIKETAL.
APA
401
4
APA
APA
401
H
HOH
625
5
HOH
HOH
625
L
HOH
626
5
HOH
HOH
626
L
HOH
636
5
HOH
HOH
636
L
HOH
650
5
HOH
HOH
650
L
HOH
666
5
HOH
HOH
666
L
HOH
684
5
HOH
HOH
684
L
HOH
686
5
HOH
HOH
686
L
HOH
720
5
HOH
HOH
720
L
HOH
722
5
HOH
HOH
722
L
HOH
723
5
HOH
HOH
723
L
HOH
727
5
HOH
HOH
727
L
HOH
735
5
HOH
HOH
735
L
HOH
739
5
HOH
HOH
739
L
HOH
745
5
HOH
HOH
745
L
HOH
758
5
HOH
HOH
758
L
HOH
786
5
HOH
HOH
786
L
HOH
806
5
HOH
HOH
806
L
HOH
807
5
HOH
HOH
807
L
HOH
808
5
HOH
HOH
808
L
HOH
810
5
HOH
HOH
810
L
HOH
829
5
HOH
HOH
829
L
HOH
851
5
HOH
HOH
851
L
HOH
853
5
HOH
HOH
853
L
HOH
854
5
HOH
HOH
854
L
HOH
855
5
HOH
HOH
855
L
HOH
874
5
HOH
HOH
874
L
HOH
601
5
HOH
HOH
601
H
HOH
602
5
HOH
HOH
602
H
HOH
603
5
HOH
HOH
603
H
HOH
604
5
HOH
HOH
604
H
HOH
605
5
HOH
HOH
605
H
HOH
606
5
HOH
HOH
606
H
HOH
607
5
HOH
HOH
607
H
HOH
608
5
HOH
HOH
608
H
HOH
609
5
HOH
HOH
609
H
HOH
610
5
HOH
HOH
610
H
HOH
611
5
HOH
HOH
611
H
HOH
612
5
HOH
HOH
612
H
HOH
613
5
HOH
HOH
613
H
HOH
614
5
HOH
HOH
614
H
HOH
615
5
HOH
HOH
615
H
HOH
616
5
HOH
HOH
616
H
HOH
617
5
HOH
HOH
617
H
HOH
618
5
HOH
HOH
618
H
HOH
619
5
HOH
HOH
619
H
HOH
620
5
HOH
HOH
620
H
HOH
621
5
HOH
HOH
621
H
HOH
622
5
HOH
HOH
622
H
HOH
623
5
HOH
HOH
623
H
HOH
624
5
HOH
HOH
624
H
HOH
627
5
HOH
HOH
627
H
HOH
628
5
HOH
HOH
628
H
HOH
629
5
HOH
HOH
629
H
HOH
630
5
HOH
HOH
630
H
HOH
631
5
HOH
HOH
631
H
HOH
632
5
HOH
HOH
632
H
HOH
633
5
HOH
HOH
633
H
HOH
634
5
HOH
HOH
634
H
HOH
635
5
HOH
HOH
635
H
HOH
637
5
HOH
HOH
637
H
HOH
638
5
HOH
HOH
638
H
HOH
639
5
HOH
HOH
639
H
HOH
640
5
HOH
HOH
640
H
HOH
641
5
HOH
HOH
641
H
HOH
643
5
HOH
HOH
643
H
HOH
644
5
HOH
HOH
644
H
HOH
645
5
HOH
HOH
645
H
HOH
646
5
HOH
HOH
646
H
HOH
647
5
HOH
HOH
647
H
HOH
648
5
HOH
HOH
648
H
HOH
649
5
HOH
HOH
649
H
HOH
651
5
HOH
HOH
651
H
HOH
652
5
HOH
HOH
652
H
HOH
653
5
HOH
HOH
653
H
HOH
654
5
HOH
HOH
654
H
HOH
655
5
HOH
HOH
655
H
HOH
657
5
HOH
HOH
657
H
HOH
658
5
HOH
HOH
658
H
HOH
659
5
HOH
HOH
659
H
HOH
660
5
HOH
HOH
660
H
HOH
661
5
HOH
HOH
661
H
HOH
662
5
HOH
HOH
662
H
HOH
663
5
HOH
HOH
663
H
HOH
664
5
HOH
HOH
664
H
HOH
665
5
HOH
HOH
665
H
HOH
668
5
HOH
HOH
668
H
HOH
670
5
HOH
HOH
670
H
HOH
672
5
HOH
HOH
672
H
HOH
674
5
HOH
HOH
674
H
HOH
675
5
HOH
HOH
675
H
HOH
676
5
HOH
HOH
676
H
HOH
677
5
HOH
HOH
677
H
HOH
678
5
HOH
HOH
678
H
HOH
679
5
HOH
HOH
679
H
HOH
680
5
HOH
HOH
680
H
HOH
681
5
HOH
HOH
681
H
HOH
682
5
HOH
HOH
682
H
HOH
683
5
HOH
HOH
683
H
HOH
685
5
HOH
HOH
685
H
HOH
687
5
HOH
HOH
687
H
HOH
689
5
HOH
HOH
689
H
HOH
690
5
HOH
HOH
690
H
HOH
691
5
HOH
HOH
691
H
HOH
693
5
HOH
HOH
693
H
HOH
697
5
HOH
HOH
697
H
HOH
698
5
HOH
HOH
698
H
HOH
701
5
HOH
HOH
701
H
HOH
702
5
HOH
HOH
702
H
HOH
703
5
HOH
HOH
703
H
HOH
704
5
HOH
HOH
704
H
HOH
705
5
HOH
HOH
705
H
HOH
706
5
HOH
HOH
706
H
HOH
707
5
HOH
HOH
707
H
HOH
708
5
HOH
HOH
708
H
HOH
709
5
HOH
HOH
709
H
HOH
710
5
HOH
HOH
710
H
HOH
711
5
HOH
HOH
711
H
HOH
713
5
HOH
HOH
713
H
HOH
714
5
HOH
HOH
714
H
HOH
715
5
HOH
HOH
715
H
HOH
716
5
HOH
HOH
716
H
HOH
717
5
HOH
HOH
717
H
HOH
718
5
HOH
HOH
718
H
HOH
719
5
HOH
HOH
719
H
HOH
721
5
HOH
HOH
721
H
HOH
726
5
HOH
HOH
726
H
HOH
728
5
HOH
HOH
728
H
HOH
729
5
HOH
HOH
729
H
HOH
732
5
HOH
HOH
732
H
HOH
734
5
HOH
HOH
734
H
HOH
738
5
HOH
HOH
738
H
HOH
740
5
HOH
HOH
740
H
HOH
744
5
HOH
HOH
744
H
HOH
746
5
HOH
HOH
746
H
HOH
749
5
HOH
HOH
749
H
HOH
751
5
HOH
HOH
751
H
HOH
753
5
HOH
HOH
753
H
HOH
754
5
HOH
HOH
754
H
HOH
756
5
HOH
HOH
756
H
HOH
757
5
HOH
HOH
757
H
HOH
759
5
HOH
HOH
759
H
HOH
760
5
HOH
HOH
760
H
HOH
761
5
HOH
HOH
761
H
HOH
763
5
HOH
HOH
763
H
HOH
765
5
HOH
HOH
765
H
HOH
766
5
HOH
HOH
766
H
HOH
767
5
HOH
HOH
767
H
HOH
769
5
HOH
HOH
769
H
HOH
770
5
HOH
HOH
770
H
HOH
772
5
HOH
HOH
772
H
HOH
774
5
HOH
HOH
774
H
HOH
775
5
HOH
HOH
775
H
HOH
776
5
HOH
HOH
776
H
HOH
777
5
HOH
HOH
777
H
HOH
778
5
HOH
HOH
778
H
HOH
779
5
HOH
HOH
779
H
HOH
780
5
HOH
HOH
780
H
HOH
783
5
HOH
HOH
783
H
HOH
784
5
HOH
HOH
784
H
HOH
785
5
HOH
HOH
785
H
HOH
788
5
HOH
HOH
788
H
HOH
789
5
HOH
HOH
789
H
HOH
790
5
HOH
HOH
790
H
HOH
791
5
HOH
HOH
791
H
HOH
792
5
HOH
HOH
792
H
HOH
793
5
HOH
HOH
793
H
HOH
794
5
HOH
HOH
794
H
HOH
795
5
HOH
HOH
795
H
HOH
796
5
HOH
HOH
796
H
HOH
799
5
HOH
HOH
799
H
HOH
800
5
HOH
HOH
800
H
HOH
801
5
HOH
HOH
801
H
HOH
802
5
HOH
HOH
802
H
HOH
803
5
HOH
HOH
803
H
HOH
804
5
HOH
HOH
804
H
HOH
805
5
HOH
HOH
805
H
HOH
811
5
HOH
HOH
811
H
HOH
812
5
HOH
HOH
812
H
HOH
813
5
HOH
HOH
813
H
HOH
814
5
HOH
HOH
814
H
HOH
815
5
HOH
HOH
815
H
HOH
818
5
HOH
HOH
818
H
HOH
819
5
HOH
HOH
819
H
HOH
820
5
HOH
HOH
820
H
HOH
821
5
HOH
HOH
821
H
HOH
822
5
HOH
HOH
822
H
HOH
823
5
HOH
HOH
823
H
HOH
824
5
HOH
HOH
824
H
HOH
826
5
HOH
HOH
826
H
HOH
827
5
HOH
HOH
827
H
HOH
828
5
HOH
HOH
828
H
HOH
830
5
HOH
HOH
830
H
HOH
833
5
HOH
HOH
833
H
HOH
852
5
HOH
HOH
852
H
HOH
856
5
HOH
HOH
856
H
HOH
857
5
HOH
HOH
857
H
HOH
858
5
HOH
HOH
858
H
HOH
859
5
HOH
HOH
859
H
HOH
860
5
HOH
HOH
860
H
HOH
861
5
HOH
HOH
861
H
HOH
862
5
HOH
HOH
862
H
HOH
863
5
HOH
HOH
863
H
HOH
864
5
HOH
HOH
864
H
HOH
865
5
HOH
HOH
865
H
HOH
867
5
HOH
HOH
867
H
HOH
868
5
HOH
HOH
868
H
HOH
869
5
HOH
HOH
869
H
HOH
870
5
HOH
HOH
870
H
HOH
871
5
HOH
HOH
871
H
HOH
872
5
HOH
HOH
872
H
HOH
873
5
HOH
HOH
873
H
HOH
875
5
HOH
HOH
875
H
HOH
876
5
HOH
HOH
876
H
HOH
877
5
HOH
HOH
877
H
HOH
878
5
HOH
HOH
878
H
HOH
879
5
HOH
HOH
879
H
HOH
880
5
HOH
HOH
880
H
HOH
881
5
HOH
HOH
881
H
HOH
882
5
HOH
HOH
882
H
HOH
883
5
HOH
HOH
883
H
HOH
884
5
HOH
HOH
884
H
HOH
885
5
HOH
HOH
885
H
HOH
886
5
HOH
HOH
886
H
HOH
887
5
HOH
HOH
887
H
HOH
901
5
HOH
HOH
901
H
HOH
902
5
HOH
HOH
902
H
HOH
903
5
HOH
HOH
903
H
HOH
671
5
HOH
HOH
671
I
HOH
712
5
HOH
HOH
712
I
HOH
762
5
HOH
HOH
762
I
HOH
866
5
HOH
HOH
866
I
n
1
H
1
L
n
2
G
1
L
n
3
F
1
L
n
4
E
1
L
n
5
D
1
L
GLU
1
n
6
C
GLU
1
L
ALA
1
n
7
B
ALA
1
L
ASP
1
n
8
A
ASP
1
L
CYS
1
n
9
CYS
1
L
GLY
2
n
10
GLY
2
L
LEU
3
n
11
LEU
3
L
ARG
4
n
12
ARG
4
L
PRO
5
n
13
PRO
5
L
LEU
6
n
14
LEU
6
L
PHE
7
n
15
PHE
7
L
GLU
8
n
16
GLU
8
L
LYS
9
n
17
LYS
9
L
LYS
10
n
18
LYS
10
L
SER
11
n
19
SER
11
L
LEU
12
n
20
LEU
12
L
GLU
13
n
21
GLU
13
L
ASP
14
n
22
ASP
14
L
LYS
14
n
23
A
LYS
14
L
THR
14
n
24
B
THR
14
L
GLU
14
n
25
C
GLU
14
L
ARG
14
n
26
D
ARG
14
L
GLU
14
n
27
E
GLU
14
L
LEU
14
n
28
F
LEU
14
L
LEU
14
n
29
G
LEU
14
L
GLU
14
n
30
H
GLU
14
L
SER
14
n
31
I
SER
14
L
TYR
14
n
32
J
TYR
14
L
ILE
14
n
33
K
ILE
14
L
n
34
L
14
L
n
35
M
14
L
n
36
N
14
L
ILE
16
n
1
ILE
16
H
VAL
17
n
2
VAL
17
H
GLU
18
n
3
GLU
18
H
GLY
19
n
4
GLY
19
H
SER
20
n
5
SER
20
H
ASP
21
n
6
ASP
21
H
ALA
22
n
7
ALA
22
H
GLU
23
n
8
GLU
23
H
ILE
24
n
9
ILE
24
H
GLY
25
n
10
GLY
25
H
MET
26
n
11
MET
26
H
SER
27
n
12
SER
27
H
PRO
28
n
13
PRO
28
H
TRP
29
n
14
TRP
29
H
GLN
30
n
15
GLN
30
H
VAL
31
n
16
VAL
31
H
MET
32
n
17
MET
32
H
LEU
33
n
18
LEU
33
H
PHE
34
n
19
PHE
34
H
ARG
35
n
20
ARG
35
H
LYS
36
n
21
LYS
36
H
SER
36
n
22
A
SER
36
H
PRO
37
n
23
PRO
37
H
GLN
38
n
24
GLN
38
H
GLU
39
n
25
GLU
39
H
LEU
40
n
26
LEU
40
H
LEU
41
n
27
LEU
41
H
CYS
42
n
28
CYS
42
H
GLY
43
n
29
GLY
43
H
ALA
44
n
30
ALA
44
H
SER
45
n
31
SER
45
H
LEU
46
n
32
LEU
46
H
ILE
47
n
33
ILE
47
H
SER
48
n
34
SER
48
H
ASP
49
n
35
ASP
49
H
ARG
50
n
36
ARG
50
H
TRP
51
n
37
TRP
51
H
VAL
52
n
38
VAL
52
H
LEU
53
n
39
LEU
53
H
THR
54
n
40
THR
54
H
ALA
55
n
41
ALA
55
H
ALA
56
n
42
ALA
56
H
HIS
57
n
43
HIS
57
H
CYS
58
n
44
CYS
58
H
LEU
59
n
45
LEU
59
H
LEU
60
n
46
LEU
60
H
TYR
60
n
47
A
TYR
60
H
PRO
60
n
48
B
PRO
60
H
PRO
60
n
49
C
PRO
60
H
TRP
60
n
50
D
TRP
60
H
ASP
60
n
51
E
ASP
60
H
LYS
60
n
52
F
LYS
60
H
ASN
60
n
53
G
ASN
60
H
PHE
60
n
54
H
PHE
60
H
THR
60
n
55
I
THR
60
H
GLU
61
n
56
GLU
61
H
ASN
62
n
57
ASN
62
H
ASP
63
n
58
ASP
63
H
LEU
64
n
59
LEU
64
H
LEU
65
n
60
LEU
65
H
VAL
66
n
61
VAL
66
H
ARG
67
n
62
ARG
67
H
ILE
68
n
63
ILE
68
H
GLY
69
n
64
GLY
69
H
LYS
70
n
65
LYS
70
H
HIS
71
n
66
HIS
71
H
SER
72
n
67
SER
72
H
ARG
73
n
68
ARG
73
H
THR
74
n
69
THR
74
H
ARG
75
n
70
ARG
75
H
TYR
76
n
71
TYR
76
H
GLU
77
n
72
GLU
77
H
ARG
77
n
73
A
ARG
77
H
ASN
78
n
74
ASN
78
H
ILE
79
n
75
ILE
79
H
GLU
80
n
76
GLU
80
H
LYS
81
n
77
LYS
81
H
ILE
82
n
78
ILE
82
H
SER
83
n
79
SER
83
H
MET
84
n
80
MET
84
H
LEU
85
n
81
LEU
85
H
GLU
86
n
82
GLU
86
H
LYS
87
n
83
LYS
87
H
ILE
88
n
84
ILE
88
H
TYR
89
n
85
TYR
89
H
ILE
90
n
86
ILE
90
H
HIS
91
n
87
HIS
91
H
PRO
92
n
88
PRO
92
H
ARG
93
n
89
ARG
93
H
TYR
94
n
90
TYR
94
H
ASN
95
n
91
ASN
95
H
TRP
96
n
92
TRP
96
H
ARG
97
n
93
ARG
97
H
GLU
97
n
94
A
GLU
97
H
ASN
98
n
95
ASN
98
H
LEU
99
n
96
LEU
99
H
ASP
100
n
97
ASP
100
H
ARG
101
n
98
ARG
101
H
ASP
102
n
99
ASP
102
H
ILE
103
n
100
ILE
103
H
ALA
104
n
101
ALA
104
H
LEU
105
n
102
LEU
105
H
MET
106
n
103
MET
106
H
LYS
107
n
104
LYS
107
H
LEU
108
n
105
LEU
108
H
LYS
109
n
106
LYS
109
H
LYS
110
n
107
LYS
110
H
PRO
111
n
108
PRO
111
H
VAL
112
n
109
VAL
112
H
ALA
113
n
110
ALA
113
H
PHE
114
n
111
PHE
114
H
SER
115
n
112
SER
115
H
ASP
116
n
113
ASP
116
H
TYR
117
n
114
TYR
117
H
ILE
118
n
115
ILE
118
H
HIS
119
n
116
HIS
119
H
PRO
120
n
117
PRO
120
H
VAL
121
n
118
VAL
121
H
CYS
122
n
119
CYS
122
H
LEU
123
n
120
LEU
123
H
PRO
124
n
121
PRO
124
H
ASP
125
n
122
ASP
125
H
ARG
126
n
123
ARG
126
H
GLU
127
n
124
GLU
127
H
THR
128
n
125
THR
128
H
ALA
129
n
126
ALA
129
H
ALA
129
n
127
A
ALA
129
H
SER
129
n
128
B
SER
129
H
LEU
129
n
129
C
LEU
129
H
LEU
130
n
130
LEU
130
H
GLN
131
n
131
GLN
131
H
ALA
132
n
132
ALA
132
H
GLY
133
n
133
GLY
133
H
TYR
134
n
134
TYR
134
H
LYS
135
n
135
LYS
135
H
GLY
136
n
136
GLY
136
H
ARG
137
n
137
ARG
137
H
VAL
138
n
138
VAL
138
H
THR
139
n
139
THR
139
H
GLY
140
n
140
GLY
140
H
TRP
141
n
141
TRP
141
H
GLY
142
n
142
GLY
142
H
ASN
143
n
143
ASN
143
H
LEU
144
n
144
LEU
144
H
LYS
145
n
145
LYS
145
H
GLU
146
n
146
GLU
146
H
THR
147
n
147
THR
147
H
n
148
A
147
H
n
149
B
147
H
n
150
C
147
H
n
151
D
147
H
n
152
E
147
H
n
153
F
147
H
n
154
G
147
H
GLY
150
n
155
GLY
150
H
GLN
151
n
156
GLN
151
H
PRO
152
n
157
PRO
152
H
SER
153
n
158
SER
153
H
VAL
154
n
159
VAL
154
H
LEU
155
n
160
LEU
155
H
GLN
156
n
161
GLN
156
H
VAL
157
n
162
VAL
157
H
VAL
158
n
163
VAL
158
H
ASN
159
n
164
ASN
159
H
LEU
160
n
165
LEU
160
H
PRO
161
n
166
PRO
161
H
ILE
162
n
167
ILE
162
H
VAL
163
n
168
VAL
163
H
GLU
164
n
169
GLU
164
H
ARG
165
n
170
ARG
165
H
PRO
166
n
171
PRO
166
H
VAL
167
n
172
VAL
167
H
CYS
168
n
173
CYS
168
H
LYS
169
n
174
LYS
169
H
ASP
170
n
175
ASP
170
H
SER
171
n
176
SER
171
H
THR
172
n
177
THR
172
H
ARG
173
n
178
ARG
173
H
ILE
174
n
179
ILE
174
H
ARG
175
n
180
ARG
175
H
ILE
176
n
181
ILE
176
H
THR
177
n
182
THR
177
H
ASP
178
n
183
ASP
178
H
ASN
179
n
184
ASN
179
H
MET
180
n
185
MET
180
H
PHE
181
n
186
PHE
181
H
CYS
182
n
187
CYS
182
H
ALA
183
n
188
ALA
183
H
GLY
184
n
189
GLY
184
H
TYR
184
n
190
A
TYR
184
H
LYS
185
n
191
LYS
185
H
PRO
186
n
192
PRO
186
H
ASP
186
n
193
A
ASP
186
H
GLU
186
n
194
B
GLU
186
H
GLY
186
n
195
C
GLY
186
H
LYS
186
n
196
D
LYS
186
H
ARG
187
n
197
ARG
187
H
GLY
188
n
198
GLY
188
H
ASP
189
n
199
ASP
189
H
ALA
190
n
200
ALA
190
H
CYS
191
n
201
CYS
191
H
GLU
192
n
202
GLU
192
H
GLY
193
n
203
GLY
193
H
ASP
194
n
204
ASP
194
H
SER
195
n
205
SER
195
H
GLY
196
n
206
GLY
196
H
GLY
197
n
207
GLY
197
H
PRO
198
n
208
PRO
198
H
PHE
199
n
209
PHE
199
H
VAL
200
n
210
VAL
200
H
MET
201
n
211
MET
201
H
LYS
202
n
212
LYS
202
H
SER
203
n
213
SER
203
H
PRO
204
n
214
PRO
204
H
PHE
204
n
215
A
PHE
204
H
ASN
204
n
216
B
ASN
204
H
ASN
205
n
217
ASN
205
H
ARG
206
n
218
ARG
206
H
TRP
207
n
219
TRP
207
H
TYR
208
n
220
TYR
208
H
GLN
209
n
221
GLN
209
H
MET
210
n
222
MET
210
H
GLY
211
n
223
GLY
211
H
ILE
212
n
224
ILE
212
H
VAL
213
n
225
VAL
213
H
SER
214
n
226
SER
214
H
TRP
215
n
227
TRP
215
H
GLY
216
n
228
GLY
216
H
GLU
217
n
229
GLU
217
H
GLY
219
n
230
GLY
219
H
CYS
220
n
231
CYS
220
H
ASP
221
n
232
ASP
221
H
ARG
221
n
233
A
ARG
221
H
ASP
222
n
234
ASP
222
H
GLY
223
n
235
GLY
223
H
LYS
224
n
236
LYS
224
H
TYR
225
n
237
TYR
225
H
GLY
226
n
238
GLY
226
H
PHE
227
n
239
PHE
227
H
TYR
228
n
240
TYR
228
H
THR
229
n
241
THR
229
H
HIS
230
n
242
HIS
230
H
VAL
231
n
243
VAL
231
H
PHE
232
n
244
PHE
232
H
ARG
233
n
245
ARG
233
H
LEU
234
n
246
LEU
234
H
LYS
235
n
247
LYS
235
H
LYS
236
n
248
LYS
236
H
TRP
237
n
249
TRP
237
H
ILE
238
n
250
ILE
238
H
GLN
239
n
251
GLN
239
H
LYS
240
n
252
LYS
240
H
VAL
241
n
253
VAL
241
H
ILE
242
n
254
ILE
242
H
ASP
243
n
255
ASP
243
H
GLN
244
n
256
GLN
244
H
PHE
245
n
257
PHE
245
H
GLY
246
n
258
GLY
246
H
n
259
247
H
n
1
52
I
n
2
53
I
n
3
54
I
ASP
55
n
4
ASP
55
I
PHE
56
n
5
PHE
56
I
GLU
57
n
6
GLU
57
I
GLU
58
n
7
GLU
58
I
ILE
59
n
8
ILE
59
I
PRO
60
n
9
PRO
60
I
GLU
61
n
10
GLU
61
I
GLU
62
n
11
GLU
62
I
TYR
63
n
12
TYS
63
I
LEU
64
n
13
LEU
64
I
author_defined_assembly
3
trimeric
I
TYS
63
O-SULFO-L-TYROSINE
C
TYS
12
TYR
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
H
O
LYS
81
B
O
LYS
77
H
N
ILE
68
B
N
ILE
63
H
O
LEU
65
B
O
LEU
60
H
N
PHE
34
B
N
PHE
19
H
O
VAL
31
B
O
VAL
16
H
N
ALA
44
B
N
ALA
30
H
O
VAL
52
B
O
VAL
38
H
N
MET
106
B
N
MET
103
H
O
LEU
105
B
O
LEU
102
H
N
TYR
89
B
N
TYR
85
H
O
GLY
136
B
O
GLY
136
H
N
LEU
160
B
N
LEU
165
H
O
PHE
181
B
O
PHE
186
H
N
TYR
228
B
N
TYR
240
H
O
PHE
227
B
O
PHE
239
H
N
TRP
215
B
N
TRP
227
H
O
TYR
208
B
O
TYR
220
H
N
MET
201
B
N
MET
211
1
H
HOH
901
F
HOH
1
H
HOH
902
F
HOH
H
1
L
THR
1
A
THR
1
1
Y
G
1
L
PHE
1
A
PHE
2
1
Y
F
1
L
GLY
1
A
GLY
3
1
Y
E
1
L
SER
1
A
SER
4
1
Y
D
1
L
GLY
1
A
GLY
5
1
Y
L
1
L
ASP
14
A
ASP
34
1
Y
M
1
L
GLY
14
A
GLY
35
1
Y
N
1
L
ARG
14
A
ARG
36
1
Y
A
1
H
TRP
147
B
TRP
148
1
Y
B
1
H
THR
147
B
THR
149
1
Y
C
1
H
ALA
147
B
ALA
150
1
Y
D
1
H
ASN
147
B
ASN
151
1
Y
E
1
H
VAL
147
B
VAL
152
1
Y
F
1
H
GLY
147
B
GLY
153
1
Y
G
1
H
LYS
147
B
LYS
154
1
Y
1
H
GLU
247
B
GLU
259
1
Y
1
I
ACE
52
C
ACE
1
1
Y
1
I
ASN
53
C
ASN
2
1
Y
1
I
GLU
54
C
GLU
3
1
Y
1
H
H
OG
C3
SER
APA
195
401
1.64
1
L
PHE
7
-128.72
-83.58
A
1
H
TYR
60
-153.92
78.20
G
1
H
ASN
60
-157.75
82.81
1
H
HIS
71
-131.87
-53.17
1
H
ASN
78
74.60
-4.17
1
H
ASP
189
178.19
166.08
0.187
0.187
1.6
1
1.6
231
2600
15
0
2354
0.011
1.9
model building
X-PLOR
refinement
X-PLOR
phasing
X-PLOR
ALPHA-THROMBIN, HIRUGEN, SULFO GROUP, AMIDO PHENYL PYRUVIC ACID
CRYSTAL STRUCTURE OF HUMAN ALPHA-THROMBIN COMPLEXED WITH HIRUGEN AND P-AMIDINOPHENYLPYRUVATE AT 1.6 ANGSTROMS RESOLUTION
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
5
N
N
5
N
N
L
GLU
8
A
GLU
16
HELX_P
L
LYS
10
A
LYS
18
5
1
3
L
GLU
14
A
GLU
25
HELX_P
L
SER
14
A
SER
31
1
2
7
C
I
H
ALA
56
B
ALA
42
HELX_P
H
CYS
58
B
CYS
44
5
3
3
H
PRO
60
B
PRO
48
HELX_P
H
TRP
60
B
TRP
50
5
4
3
B
D
H
GLU
61
B
GLU
56
HELX_P
H
ASP
63
B
ASP
58
5
5
3
H
ARG
126
B
ARG
123
HELX_P
H
LEU
129
B
LEU
129
1
6
7
C
H
ARG
165
B
ARG
170
HELX_P
H
SER
171
B
SER
176
1
7
7
H
PHE
232
B
PHE
244
HELX_P
H
PHE
245
B
PHE
257
5
8
14
disulf
2.036
L
CYS
1
A
SG
CYS
9
1_555
H
CYS
122
B
SG
CYS
119
1_555
disulf
2.039
H
CYS
42
B
SG
CYS
28
1_555
H
CYS
58
B
SG
CYS
44
1_555
disulf
2.029
H
CYS
168
B
SG
CYS
173
1_555
H
CYS
182
B
SG
CYS
187
1_555
disulf
2.049
H
CYS
191
B
SG
CYS
201
1_555
H
CYS
220
B
SG
CYS
231
1_555
covale
1.460
H
SER
195
B
OG
SER
205
1_555
H
APA
401
D
C2
APA
1_555
covale
1.335
I
GLU
62
C
C
GLU
11
1_555
I
TYS
63
C
N
TYS
12
1_555
covale
1.327
I
TYS
63
C
C
TYS
12
1_555
I
LEU
64
C
N
LEU
13
1_555
HYDROLASE/HYDROLASE INHIBITOR
HYDROLASE-HYDROLASE INHIBITOR COMPLEX
H
SER
36
B
SER
22
A
1
H
PRO
37
B
PRO
23
-1.24
THRB_HUMAN
UNP
1
328
P00734
THRB_HUMAN
UNP
2
364
P00734
ITHA_HIRME
UNP
3
55
P28501
328
363
1AHT
1
14
P00734
H
N
L
1
1
36
364
622
1AHT
16
247
P00734
H
2
1
259
55
64
1AHT
55
64
P28501
I
3
4
13
4
3
2
4
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
H
LYS
81
B
LYS
77
H
MET
84
B
MET
80
H
LEU
64
B
LEU
59
H
ILE
68
B
ILE
63
H
GLN
30
B
GLN
15
H
ARG
35
B
ARG
20
H
GLU
39
B
GLU
25
H
SER
45
B
SER
31
H
TRP
51
B
TRP
37
H
THR
54
B
THR
40
H
ALA
104
B
ALA
101
H
LEU
108
B
LEU
105
H
LEU
85
B
LEU
81
H
ILE
90
B
ILE
86
H
LYS
135
B
LYS
135
H
GLY
140
B
GLY
140
H
GLN
156
B
GLN
161
H
PRO
161
B
PRO
166
H
MET
180
B
MET
185
H
ALA
183
B
ALA
188
H
GLY
226
B
GLY
238
H
HIS
230
B
HIS
242
H
TRP
207
B
TRP
219
H
TRP
215
B
TRP
227
H
PRO
198
B
PRO
208
H
LYS
202
B
LYS
212
CATALYTIC SITE
Author
3
BINDING SITE FOR RESIDUE APA H 401
Software
15
BINDING SITE FOR CHAIN I OF HIRUGEN
Software
17
H
HIS
57
B
HIS
43
3
1_555
H
ASP
102
B
ASP
99
3
1_555
H
SER
195
B
SER
205
3
1_555
H
HIS
57
B
HIS
43
15
1_555
H
ASP
189
B
ASP
199
15
1_555
H
ALA
190
B
ALA
200
15
1_555
H
CYS
191
B
CYS
201
15
1_555
H
GLU
192
B
GLU
202
15
1_555
H
GLY
193
B
GLY
203
15
1_555
H
ASP
194
B
ASP
204
15
1_555
H
SER
195
B
SER
205
15
1_555
H
TRP
215
B
TRP
227
15
1_555
H
GLY
219
B
GLY
230
15
1_555
H
HOH
601
F
HOH
15
1_555
H
HOH
707
F
HOH
15
1_555
H
HOH
757
F
HOH
15
1_555
H
HOH
802
F
HOH
15
1_555
H
HOH
824
F
HOH
15
1_555
H
PHE
34
B
PHE
19
17
1_555
H
GLN
38
B
GLN
24
17
1_555
H
LEU
65
B
LEU
60
17
1_555
H
ARG
67
B
ARG
62
17
1_555
H
ARG
73
B
ARG
68
17
1_555
H
THR
74
B
THR
69
17
1_555
H
ARG
75
B
ARG
70
17
1_555
H
TYR
76
B
TYR
71
17
1_555
H
LYS
81
B
LYS
77
17
1_555
H
ILE
82
B
ILE
78
17
1_555
H
MET
84
B
MET
80
17
1_555
H
SER
153
B
SER
158
17
2_555
H
HOH
639
F
HOH
17
1_555
H
HOH
774
F
HOH
17
2_555
I
HOH
712
G
HOH
17
1_555
I
HOH
762
G
HOH
17
1_555
I
HOH
866
G
HOH
17
1_555
5
C 1 2 1